| Field Listing - Disputes - international
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Country | Disputes - international
Afghanistan | despite largely successful UN efforts at voluntary repatriation, 2-3 million Afghan refugees continue to reside in Iran and Pakistan, many at their own choosing; Pakistan has sent troops into remote tribal areas to control the border and stem organized terrorist and other illegal cross-border activites; regular meetings between Pakistani and coalition allies aim to resolve periodic claims of boundary encroachments; occasional conflicts over water-sharing arrangements with Amu Darya and Helmand River states
Albania | the Albanian Government calls for the protection of the rights of ethnic Albanians in neighboring countries, and the peaceful resolution of interethnic disputes; some ethnic Albanian groups in neighboring countries advocate for a "greater Albania," but the idea has little appeal among Albanian nationals
Algeria | Algeria supports the exiled Sahrawi Polisario Front and rejects Moroccan administration of Western Sahara; Algeria's border with Morocco remains an irritant to bilateral relations; each nation has accused the other of harboring militants and arms smuggling; in an attempt to improve relations afer unilaterally imposing a visa requirement on Algerians in the early 1990s, Morocco lifted the requirement in mid-2004 - a gesture not reciprocated by Algeria; Algeria remains concerned about armed bandits operating throughout the Sahel who sometimes destabilize southern Algerian towns; dormant disputes include Libyan claims of about 32,000 sq km still reflected on its maps of southeastern Algeria and the FLN's assertions of a claim to Chirac Pastures in southeastern Morocco
American Samoa | none
Andorra | none
Angola | continues to give shelter to refugees from the Democratic Republic of the Congo while many Angolan refugees and Cabinda exclave secessionists reside in neighboring states
Anguilla | none
Antarctica | Antarctic Treaty freezes claims (see Antarctic Treaty Summary in Government type entry); sections (some overlapping) claimed by Argentina, Australia, Chile, France, NZ, Norway, and UK; the US and most other states do not recognize the territorial claims of other states and have made no claims themselves (the US and Russia reserve the right to do so); no claims have been made in the sector between 90 degrees west and 150 degrees west; several states with land claims in Antarctica have expressed their intention to submit data to the UN Commission on the Limits of the Continental Shelf to extend their continental shelf claims to adjoining undersea ridges
Antigua and Barbuda | none
Arctic Ocean | some maritime disputes (see littoral states)
Argentina | UK continues to reject sovereignty talks requested by Argentina, whose constitution still claims UK-administered Falkland Islands (Islas Malvinas) and South Georgia and the South Sandwich Islands, but in 1995 ceded the right to settle the dispute by force; Beagle Channel islands dispute resolved through Papal mediation in 1984, but armed incidents persist since 1992 oil discovery; territorial claim in Antarctica partially overlaps UK and Chilean claims (see Antarctic disputes); unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and fundraising for extremist organizations; uncontested dispute between Brazil and Uruguay over Braziliera Island in the Quarai/Cuareim River leaves the tripoint with Argentina in question
Armenia | Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and militarily occupies 16% of Azerbaijan - Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; border with Turkey remains closed over Nagorno-Karabakh dispute; traditional demands regarding former Armenian lands in Turkey have subsided; ethnic Armenian groups in Javakheti region of Georgia seek greater autonomy from the new Georgian Government
Aruba | none
Ashmore and Cartier Islands | Indonesian groups challenge Australia's claim to Ashmore Reef; Australia has closed the surrounding waters to Indonesian traditional fishing and has created a national park in the region while continuing to prospect for hydrocarbons in the vicinity
Atlantic Ocean | some maritime disputes (see littoral states)
Australia | the 1999 maritime delimitation established partial maritime boundaries with East Timor over part of the Timor Gap but temporary resource-sharing agreements over an unreconciled area grant Australia 90% share of exploited gas reserves and hamper creation of a southern maritime boundary with Indonesia (see Ashmore and Cartier Islands disputes); Australia asserts a territorial claim to Antarctica and to its continental shelf (see Antarctica)
Austria | minor disputes with the Czech Republic over the Temelin Nuclear Power Plant
Azerbaijan | Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and militarily occupies about one-sixth of Azerbaijan - Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; Azerbaijan, Kazakhstan, and Russia ratify Caspian seabed delimitation treaties based on equidistance, while Iran continues to insist on an even one-fifth allocation and challenges Azerbaijan's hydrocarbon exploration in disputed waters; talks resume with Turkmenistan on dividing the seabed in 2004 as both sides await an ICJ decision on contested oilfields in the middle of the Caspian; Azerbaijan protests Georgian constructions at the Red Bridge crossing and several other small segments of boundary, which remain unresolved until delimitation
Bahamas, The | concerned about migrants fleeing Haiti's deteriorated economic and political conditions
Bahrain | none
Baker Island | none
Bangladesh | discussions with India remain stalled to delimit a small section of river boundary, exchange 162 miniscule enclaves in both countries, allocate divided villages, and stop illegal cross-border trade, migration, and violence; Bangladesh protests India's attempts to fence off high-traffic sections of the porous boundary; dispute with India over New Moore/South Talpatty/Purbasha Island in the Bay of Bengal deters maritime boundary delimitation; Burmese Muslim refugees strain Bangladesh's meager resources
Barbados | Barbados intends to take its claim before UNCLOS arbitration that the northern limit of Trinidad and Tobago's maritime boundary with Venezuela extends into its waters; joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Bassas da India | claimed by Madagascar
Belarus | 1997 boundary treaty with Ukraine remains unratified over unresolved financial claims, preventing demarcation and diminishing border security; boundaries with Latvia and Lithuania remain undemarcated despite European Union financial support
Belgium | none
Belize | Guatemalan squatters continue to settle along the border region; an OAS brokered Differendum in 2002 created a small adjustment to the land boundary, a large Guatemalan maritime corridor in Caribbean, a joint ecological park for disputed Sapodilla Cays, and a substantial US-UK financial package, but agreement was not brought to popular referendum leaving Guatemala to continue to claim the southern half of Belize
Benin | two villages remain in dispute along the border with Burkina Faso; accuses Burkina Faso of moving boundary pillars; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated, and ICJ ad hoc judges have been selected to rule on disputed Niger and Mekrou River islands; several villages along the Okpara River are in dispute with Nigeria; a joint boundary commission continues to resurvey the boundary with Togo to verify Benin's claim that Togo moved boundary stones
Bermuda | none
Bhutan | approximately 100,000 Bhutanese refugees living in Nepal, 90% of whom reside in seven UN Office of the High Commissioner for Refugees camps, place decades-long strains on Nepal
Bolivia | has reactivated its claim to restore the Atacama corridor, ceded to Chile in 1884, to secure sovereign maritime access for Bolivian natural gas
Bosnia and Herzegovina | Bosnia and Herzegovina and Serbia and Montenegro have delimited most of their boundary, but sections along the Drina River remain in dispute; discussions continue with Croatia on problem sections around Kostajnica on the Una River and villages at the base of Mount Pljesevica
Botswana | established a commission with Namibia to resolve small residual disputes along the Caprivi Strip, including the Situngu marshlands along the Linyanti River; downstream Botswana residents protest Namibia's planned construction of the Okavango hydroelectric dam at Popavalle (Popa Falls); Botswana, Namibia, Zambia, and Zimbabwe boundary convergence is not clearly defined or delimited
Bouvet Island | none
Brazil | unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and fundraising for extremist organizations; uncontested dispute with Uruguay over certain islands in the Quarai/Cuareim and Invernada boundary streams and the resulting tripoint with Argentina
British Indian Ocean Territory | Mauritius and Seychelles claim the Chagos Archipelago and its former inhabitants, who reside chiefly in Mauritius, but in 2001 were granted UK citizenship and the right to repatriation since eviction in 1965; the UK resists the Chagossians' demand for an immediate return to the islands; repatriation is complicated by the exclusive US military lease of Diego Garcia that restricted access to the largest island in the chain
British Virgin Islands | none
Brunei | in 2003 Brunei and Malaysia ceased gas and oil exploration in their offshore and deepwater seabeds until negotiations progress to an agreement over allocation of disputed areas; Malaysia's land boundary with Brunei around Limbang is in dispute; Brunei established an exclusive economic fishing zone encompassing Louisa Reef in southern Spratly Islands in 1984 but makes no public territorial claim to the offshore reefs; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions in the Spratly Islands but falls short of a legally binding "code of conduct" desired by several of the disputants
Bulgaria | none
Burkina Faso | two villages are in dispute along the border with Benin; Benin accuses Burkina Faso of moving boundary pillars; Burkina Faso border regions have become a staging area for Liberia and Cote d'Ivoire rebels and an asylum for refugees caught in regional fighting; the Ivoirian Government accuses Burkina Faso of supporting Ivoirian rebels
Burma | despite continuing border committee talks, significant differences remain with Thailand over boundary alignment and the handling of ethnic rebels, refugees, and illegal cross-border activities; groups in Burma and Thailand express concern over China's construction of 13 hydroelectric dams on the Salween River in Yunnan Province; India seeks cooperation from Burma to keep out Indian Nagaland insurgents
Burundi | Tutsi, Hutu, and other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in the Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated and natural resource areas; government heads pledge to end conflict, but localized violence continues despite UN peacekeeping efforts
Cambodia | land boundary disputes persist among Cambodian claims that Thailand and Vietnam moved or destroyed boundary markers; maritime boundary with Vietnam is hampered by dispute over offshore islands; Cambodia periodically accuses Thailand of obstructing access to Preah Vihear temple ruins awarded to Cambodia by ICJ decision in 1962; 2003 anti-Thai riots in Phnom Penh resulted in the destruction of the Thai Embassy, damage to 17 Thai-owned businesses, and disputes over full payment of compensation
Cameroon | ICJ ruled in 2002 on the entire Cameroon-Nigeria land and maritime boundary but the parties formed a Joint Border Commission to resolve differences bilaterally and have commenced with demarcation in less-contested sections of the boundary, starting in Lake Chad in the north; the ICF ruled on an equidistance settlement of Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea, however, implementation of the decision is delayed due to imprecisely defined coordinates, the unresolved Bakasi allocation, and a sovereignty dispute between Equatorial Guinea and Cameroon over an island at the mouth of the Ntem River; Nigeria initially rejected cession of the Bakasi Peninsula; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over the lake region, which remains the site of armed clashes among local populations and militias
Canada | managed maritime boundary disputes with the US at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; uncontested dispute with Denmark over Hans Island sovereignty in the Kennedy Channel between Ellesmere Island and Greenland
Cape Verde | none
Cayman Islands | none
Central African Republic | internal political instabilities with fighting and violence overlap into Chad and CAR, leaving refugees and rebel groups in both countries; Sudan has pledged to work with CAR to stem violent skirmishes over water and grazing rights among related pastoral populations along the border
Chad | civil war in Sudan overlaps into Chad as both states step up border patrols, leaving refugees and rebel groups in both countries; Chad serves as an important mediator in the Sudanese civil conflict; Chadian Aozou rebels reside in southern Libya; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over lake region; Chad rejects Nigerian request to redemarcate boundary, the site of periodic cross-border incidents
Chile | Bolivia has reactivated its claim to the Atacama corridor ceded to Chile in 1884 to secure sovereign maritime access for Bolivian natural gas; dispute with Peru over the economic zone delimited by the maritime boundary; Beagle Channel islands dispute resolved through Papal mediation in 1984, but armed incidents persist since 1992 oil discovery; territorial claim in Antarctica (Chilean Antarctic Territory) partially overlaps Argentine and British claims
China | involved in complex dispute with Malaysia, Philippines, Taiwan, Vietnam, and possibly Brunei over the Spratly Islands; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; most of the rugged, militarized boundary with India is in dispute, but the two sides are committed to begin resolution with discussions on the least disputed Middle Sector; Kashmir remains the world's largest and highly militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir and Northern Areas), but recent discussion and confidence-building measures among parties are beginning to defuse tensions, India does not recognize Pakistan's ceding lands to China in a 1964 boundary agreement; China and Taiwan continue to assert their claims to the Japanese-administered Senkaku Islands (Diaoyu Tai) with increased media coverage and protest actions; certain islands in Yalu and Tumen rivers are in an uncontested dispute with North Korea and a section of boundary around Mount Paektu is indefinite - China has been attempting to manage illegal migration of North Koreans into northern China; China and Russia in 2004 resolved their last border dispute over islands in the Amur and Argun Rivers, but details on demarcation have not yet been worked-out; boundary delimitation agreements signed in 2002 with Tajikistan cedes 1,000 sq km of Pamir Mountain range to China in return for China's relinquishing claims to 28,000 sq km, but demarcation has not commenced; agreements with Vietnam demarcating maritime boundaries and fisheries cooperation in the Gulf of Tonkin were ratified in June, and demarcation of the land boundary continues; China occupies some of the Paracel Islands also claimed by Vietnam and Taiwan; in response to groups in Burma and Thailand expressing concern over China's plans to construct 13 hydroelectric dams on the Nu River in Yunnan Province (Salween River in Burma), Chinese Premier Wen Jiabao suspended the project to conduct an environmental impact assessment, a smaller scale version of only 4 dams is now scheduled to move forward
Christmas Island | none
Clipperton Island | none
Cocos (Keeling) Islands | none
Colombia | Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over disputed maritime boundary involving 50,000 sq km in the Caribbean Sea, including the Archipelago de San Andres y Providencia and Quita Sueno Bank; maritime boundary dispute with Venezuela in the Gulf of Venezuela; Colombian drug activities penetrate Peruvian border area; the continuing civil disorder in Colombia has created a serious refugee crisis in neighboring states, especially Ecuador
Comoros | claims French-administered Mayotte
Congo, Democratic Republic of the | Democratic Republic of the Congo is in the grip of a civil war, tribal conflict, and rebel gang fighting that has drawn in neighboring states of Burundi, Rwanda and Uganda; in the Great Lakes region and Sudan, heads of the Great Lakes states and UN pledge to end conflict, but unchecked localized violence continues unabated; the location of the boundary in the broad Congo River with the Republic of the Congo is indefinite except in the Pool Malebo/Stanley Pool area
Congo, Republic of the | the location of the boundary in the broad Congo River with the Democratic Republic of the Congo is indefinite except in the Pool Malebo/Stanley Pool area
Cook Islands | none
Coral Sea Islands | none
Costa Rica | legal dispute over navigational rights of Rio San Juan on the border with Nicaragua remains unsolved
Cote d'Ivoire | continuing rebel fighting extends to neighboring states and has kept out foreign workers from nearby countries; the Ivorian Government accuses Burkina Faso and Liberia of supporting Ivorian rebels
Croatia | discussions continue with Bosnia and Herzegovina over disputed territory around Kostajnica on the Una River and villages at the base of Mount Pljesevica; the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Pirin Bay and maritime access to Slovenia and several villages to Croatia, remains controversial, has not been ratified, and has been complicated by Croatia's declaration of an ecological-fisheries zone in the Adriatic Sea
Cuba | US Naval Base at Guantanamo Bay is leased to US and only mutual agreement or US abandonment of the area can terminate the lease
Cyprus | hostilities in 1974 divided the island into two de facto autonomous areas, a Greek Cypriot area controlled by the internationally recognized Cypriot Government and a Turkish Cypriot area, separated by a UN buffer zone; March 2003 reunification talks failed, but Turkish Cypriots later opened their borders to temporary visits by Greek Cypriots
Czech Republic | Liechtenstein's royal family claims restitution for 1,600 sq km of land in the Czech Republic confiscated in 1918; individual Sudeten Germans seek restitution for property confiscated in connection with their expulsion after World War II; Austria has minor dispute with Czech Republic over the Temelin Nuclear Power Plant
Denmark | Rockall continental shelf dispute involving Denmark, Iceland, and the UK (Ireland and the UK have signed a boundary agreement in the Rockall area) remains dormant; dispute with Iceland over the Faroe Islands' fisheries median line boundary within 200 nm; disputes with Iceland, the UK, and Ireland over the Faroe Islands continental shelf boundary outside 200 nm; Faroese continue to study proposals for full independence; uncontested dispute with Canada over Hans Island sovereignty in the Kennedy Channel between Ellesmere Island and Greenland
Djibouti | Djibouti maintains economic ties and border accords with "Somaliland" leadership while maintaining some political ties to various factions in Somalia including the Somali Transitional National Government in Mogadishu
Dominica | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Dominican Republic | despite efforts to control illegal migration, destitute Haitians fleeing poverty and violence continue to cross into the Dominican Republic; illegal migration of Dominicans and other nationals across the Mona Passage to Puerto Rico has increased in the last year
East Timor | East Timor-Indonesia Boundary Committee continues to meet, survey, and delimit the land boundary, but several sections of the boundary especially around the Oekussi enclave remain unresolved; Indonesia and East Timor contest the sovereignty of the uninhabited coral island of Palau Batek/Fatu Sinai, which may delay decision on the northern maritime boundaries; numbers of East Timor refugees in Indonesia refuse repatriation; East Timor and Australia continue to disagree over the delimitation of a permanent maritime boundary and over the sharing of petroleum resources that fall outside the Joint Petroleum Development Area covered by the 2002 Timor Sea Treaty
Ecuador | the continuing civil disorder in Colombia has created a serious refugee crisis in neighboring states, especially Ecuador
Egypt | Egypt and Sudan retain claims to administer the triangular areas that extend north and south of the 1899 Treaty boundary along the 22nd Parallel, but have withdrawn their military presence; Egypt is economically developing and effectively administers the "Hala'ib Triangle" north of the Treaty line
El Salvador | in 1992, the ICJ ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras boundary, and the OAS is assisting with a technical resolution of undemarcated bolsones; in 2003, the ICJ rejected El Salvador's request to revise its decision on one part of the bolsones; the 1992 ICJ ruling advised a tripartite resolution to a maritime boundary in the Gulf of Fonseca with consideration of Honduran access to the Pacific; El Salvador continues to claim tiny Conejo Island, not mentioned by the ICJ, off Honduras in the Gulf de Fonseca
Equatorial Guinea | in 2002, ICJ ruled on an equidistance settlement of Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea, but a dispute between Equatorial Guinea and Cameroon over an island at the mouth of the Ntem River, imprecisely defined coordinates in the ICJ decision, and the unresolved Bakasi allocation contribute to the delay in implementation; creation of a maritime boundary in hydrocarbon-rich Corisco Bay with Gabon is hampered by dispute over Mbane Island, administered and occupied by Gabon since the 1970s
Eritrea | Eritrea and Ethiopia agreed to abide by 2002 Ethiopia-Eritrea Border Commission's (EEBC) delimitation decision, but demarcation has been delayed, despite intense international intervention, by Ethiopian insistence that the decision ignored "human geography," made technical errors in the delimitation, and incorrectly awarded Badme, the focus of the 1998-2000 war, and other areas to Eritrea and Eritrea's insistence on not deviating from the commission's decision; UN Peacekeeping Mission to Ethiopia and Eritrea (UNMEE) continues to monitor a 25km-wide Temporary Security Zone in Eritrea until the demarcation; Sudan accuses Eritrea of supporting Sudanese rebel groups; Eritrea protests Yemeni fishing around the Hanish Islands awarded to Eritrea by the ICJ in 1999
Estonia | Russia continues to reject signing and ratifying the joint December 1996 technical border agreement with Estonia
Ethiopia | Eritrea and Ethiopia agreed to abide by the 2002 independent boundary commission's delimitation decision, but demarcation has been delayed, despite intense international intervention, by Ethiopian insistence that the decision ignored "human geography," made technical errors in the delimitation, and incorrectly awarded Badme - the focus of the 1998-2000 war - and other areas to Eritrea and Eritrea's insistence on not deviating from the commission's decision; Ethiopia maintains only an administrative line and no international border with the Oromo region of southern Somalia and maintains alliances with local clans in opposition to the Transitional National Government, which lost its mandate in August 2003, in Mogadishu; "Somaliland" secessionists provide port facilities and trade ties to landlocked Ethiopia; efforts to demarcate the porous boundary with Sudan have been delayed by civil war
Europa Island | claimed by Madagascar
Falkland Islands (Islas Malvinas) | claimed by Argentina whose forces briefly occupied it in 1982, but now declares it will no longer seek settlement by force; UK continues to reject Argentine requests for sovereignty talks
Faroe Islands | Faroese are considering proposals for full independence; Denmark dispute with Iceland over the Faroe Islands fisheries median line boundary of 200 nm; Denmark disputes with Iceland, the UK, and Ireland the Faroe Islands claim extending its continental shelf boundary beyond 200 nm
Fiji | none
Finland | none
France | Madagascar claims Bassas da India, Europa Island, Glorioso Islands, and Juan de Nova Island; Comoros claims Mayotte; Mauritius claims Tromelin Island; territorial dispute between Suriname and French Guiana; territorial claim in Antarctica (Adelie Land); Matthew and Hunter Islands, east of New Caledonia, claimed by France and Vanuatu
French Guiana | Suriname claims area between Riviere Litani and Riviere Marouini (both headwaters of the Lawa)
French Polynesia | none
French Southern and Antarctic Lands | French claim to "Adelie Land" in Antarctica is not recognized by the US
Gabon | creation of a maritime boundary in hydrocarbon-rich Corisco Bay with Equatorial Guinea is hampered by dispute over Mbane Island, administered and occupied by Gabon since the 1970s
Gambia, The | attempts to stem refugees, cross-border raids, arms smuggling, other illegal activities, and political instability from separatist movement in southern Senegal's Casamance region
Gaza Strip | West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation
Georgia | about a third of the boundary with Russia remains undelimited, and none of it demarcated, with several small, strategic segments remaining in dispute; OSCE observers monitor volatile areas such as the Pankisi Gorge in the Akhmeti region and the Argun Gorge in Abkhazia; Meshkheti Turks scattered throughout the former Soviet Union seek to return to Georgia; boundary with Armenia remains undemarcated; ethnic Armenian groups in Javakheti region of Georgia seek greater autonomy from the Georgian government; Azerbaijan protests Georgian construction at the Red Bridge crossing and several other small segments of boundary, which remain unresolved until delimitation
Germany | none
Ghana | Ghana must still deal with refugees and returning nationals escaping rebel fighting in Cote d'Ivoire
Gibraltar | since Gibraltar residents voted overwhelmingly by referendum in 2003 against a "total shared sovereignty" arrangement, talks between the UK and Spain over the fate of the 300-year-old UK colony have stalled; Spain disapproves of UK plans to grant Gibraltar greater autonomy
Glorioso Islands | claimed by Madagascar
Greece | Greece and Turkey have resumed discussions to resolve their complex maritime, air, territorial, and boundary disputes in the Aegean Sea; Cyprus question with Turkey; dispute with the Republic of Macedonia over its name
Greenland | uncontested dispute between Canada and Denmark over Hans Island in the Kennedy Channel between Canada's Ellesmere Island and Greenland
Grenada | none
Guadeloupe | none
Guam | none
Guatemala | Guatemalan squatters continue to settle in Belize border region; OAS brokered Differendum in 2002 creating small adjustment to land boundary, large Guatemalan maritime corridor in Caribbean, joint ecological park for disputed Sapodilla Cays, and substantial US-UK financial package, but agreement was not brought to popular referendum leaving Guatemala to continue to claim the southern half of Belize intact; numbers of Guatemalans enter Mexico seeking work or transit to the US
Guernsey | none
Guinea | domestic fighting among disparate rebel groups in Guinea, domestic fighting among disparate rebel groups, warlords, and youth gangs in Guinea, Liberia, and Sierra Leone have created insurgencies, street violence, looting, arms trafficking, ethnic conflicts skirmishes, deaths, and refugees in border areas; in 2003, Guinea and Sierra Leone established a boundary commission to resolve a dispute over the town of Yenga
Guinea-Bissau | attempts to stem refugees and cross-border raids, arms smuggling, and political instability from a separatist movement in Senegal's Casamance region
Guyana | all of the area west of the Essequibo (river) is claimed by Venezuela preventing any discussion of a maritime boundary; Guyana has expressed its intention to join Barbados in asserting claims before UNCLOS that Trinidad and Tobago's maritime boundary with Venezuela extends into their waters; Suriname claims a triangle of land between the New and Kutari/Koetari rivers in a historic dispute over the headwaters of the Courantyne; Guyana seeks UNCLOS arbitration to resolve the long-standing dispute with Suriname over the axis of the territorial sea boundary in potentially oil-rich waters
Haiti | despite efforts to control illegal migration, Haitians fleeing economic privation and civil unrest continue to cross into Dominican Republic and to sail to neighboring countries; Haiti claims US-administered Navassa Island
Heard Island and McDonald Islands | none
Holy See (Vatican City) | none
Honduras | in 1992, ICJ ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras border, and the OAS is assisting with a technical resolution of bolsones; in 2003, the ICJ rejected El Salvador's request to revise its decision on one bolsone; the 1992 ICJ ruling advised a tripartite resolution to a maritime boundary in the Gulf of Fonseca with consideration of Honduran access to the Pacific; El Salvador continues to claim tiny Conejo Island, not mentioned by the ICJ, off Honduras in the Gulf of Fonseca; Honduras claims Sapodilla Cays off the coast of Belize but agreed to creation of a joint ecological park and Guatemalan corridor in the Caribbean in the failed 2002 Belize-Guatemala Differendum; Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over a complex maritime dispute in the Caribbean Sea
Hong Kong | none
Howland Island | none
Hungary | Hungary amended the status law extending special social and cultural benefits to ethnic Hungarians in neighboring states, who had objected to the law; Slovakia and Hungary have renewed discussions on ways to resolve differences over the Gabcikovo-Nagymaros hydroelectric dam on the Danube, with possible resort again to the ICJ for final resolution
Iceland | Rockall continental shelf dispute involving Denmark, Iceland, and the UK (Ireland and the UK have signed a boundary agreement in the Rockall area) remains dormant; dispute with Denmark over the Faroe Islands' fisheries median line boundary within 200 nm; disputes with Denmark, the UK, and Ireland over the Faroe Islands continental shelf boundary outside 200 nm
India | Kashmir remains the world's most highly militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir and Northern Areas), but recent discussions and confidence-building measures among parties are beginning to defuse tensions; India does not recognize Pakistan's ceding lands to China in the 1965 boundary agreement; disputes with Pakistan over Indus River water sharing and the terminus of the Sir Creek Estuary at the mouth of the Rann of Kutch, which prevents maritime boundary delimitation; Pakistani maps continue to show Junagadh claim in Indian Gujarat State; most of the rugged, militarized boundary with China is in dispute, but sides have committed to begin resolution with discussions on the least disputed Middle Sector; Joint Border Committee with Nepal continues to work on resolution of minor disputed boundary sections; discussions with Bangladesh remain stalled to delimit a small section of river boundary, to exchange 162 miniscule enclaves in both countries, to allocate divided villages, and to stop illegal cross-border trade, migration, and violence; Bangladesh protests India's attempts to fence off high-traffic sections of the porous boundary; dispute with Bangladesh over volcanic New Moore/South Talpatty/Purbasha Island in the Bay of Bengal deters maritime boundary delimitation; India seeks cooperation from Bhutan and Burma to keep out Indian Nagaland insurgents; joint border commission continues to work on small disputed sections of boundary with Nepal; India has instituted a stricter border regime to restrict transit of Maoist insurgents and illegal cross-border activities from Nepal
Indian Ocean | some maritime disputes (see littoral states)
Indonesia | East Timor-Indonesia Boundary Committee continues to meet, survey and delimit land boundary, but several sections of the boundary remain unresolved; Indonesia and East Timor contest the sovereignty of the uninhabited coral island of Palau Batek/Fatu Sinai, which hinders a decision on a northern maritime boundary; numbers of East Timor refugees in Indonesia refuse repatriation; a 1997 treaty between Indonesia and Australia settled some parts of their maritime boundary but outstanding issues remain; ICJ's award of Sipadan and Ligitan islands to Malaysia in 2002 prompted Indonesia to assert claims to and to establish a presence on its smaller outer islands; Indonesian secessionists, squatters, and illegal migrants create repatriation problems for Papua New Guinea
Iran | Iran protests Afghanistan's limiting flow of dammed waters on Helmand River tributaries in periods of drought; thousands of Afghan refugees still reside in Iran; creation of a maritime boundary with Iraq remains in hiatus until full sovereignty is restored in Iraq; Iran and UAE engage in direct talks and solicit Arab League support to resolve disputes over Iran's occupation of Tunb Islands and Abu Musa Island; Iran stands alone among littoral states in insisting upon a division of the Caspian Sea into five equal sectors
Iraq | coalition forces assist Iraqis in monitoring boundary security, but resolution of disputes and creation of maritime boundaries with neighboring states will remain in hiatus until full sovereignty is restored in Iraq; Turkey has expressed concern over the status of Kurds in Iraq
Ireland | disputes with Iceland, Denmark, and the UK over the Faroe Islands continental shelf boundary outside 200 nm
Israel | West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation; Golan Heights is Israeli-occupied (Lebanon claims the Shab'a Farms area of Golan Heights)
Italy | none
Jamaica | none
Jan Mayen | none
Japan | The sovereignty dispute over the islands of Etorofu, Kunashiri, and Shikotan, and the Habomai group, known in Japan as the "Northern Territories" and in Russia as the "Southern Kuril Islands", occupied by the Soviet Union in 1945, now administered by Russia and claimed by Japan, remains the primary sticking point to signing a peace treaty formally ending World War II hostilities; intensified media coverage and protests highlight dispute over the fishing-rich Liancourt Rocks (Tok-do/Take-shima) also claimed by South Korea; China and Taiwan have intensified their claims to the Senkaku Islands (Diaoyu Tai) administered by Japan
Jarvis Island | none
Jersey | none
Johnston Atoll | none
Jordan | border dispute settled with Syria in 2004
Juan de Nova Island | claimed by Madagascar
Kazakhstan | Kazakhstan and China have resolved their border dispute and are working to demarcate their borders to control population migration, illegal activities, and trade; delimitation of boundary with Russia is almost complete - delimitations with Turkmenistan and Uzbekistan are complete with demarcations underway - delimitation with Kyrgyzstan is largely complete; creation of a seabed boundary with Turkmenistan in the Caspian Sea is under discussion; equidistant seabed treaties have been signed with Azerbaijan and Russia in the Caspian Sea, but no resolution has been made on dividing the water column among any of the littoral states
Kenya | Kenya's administrative boundary still extends into the Sudan, creating the "Ilemi Triangle"; Kenya has acted as an important mediator in Sudan's north-south civil war; Kenya and Uganda are working together to stem cattle rustling and violence by Lord's Resistance Army along the border
Kingman Reef | none
Kiribati | none
Korea, North | with China, certain islands in Yalu and Tumen rivers are in uncontested dispute; a section of boundary around Paektu-san (mountain) is indefinite; China has been attempting to stop mass illegal migration of North Koreans escaping famine, economic privation, and oppression into northern China; Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; periodic maritime disputes with South Korea
Korea, South | Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; periodic maritime disputes with North Korea over the Northern Limit Line; unresolved dispute with Japan over Liancourt Rocks (Tok-do/Take-shima) and occasional protests over fishing rights in grounds also claimed by Japan
Kuwait | Kuwait and Saudi Arabia continue negotiating a joint maritime boundary with Iran; no maritime boundary exists with Iraq in the Persian Gulf
Kyrgyzstan | boundary with China is fully demarcated; delimitation with Kazakhstan is largely complete with only minor disputed areas; disputes in Isfara Valley delay completion of delimitation with Tajikistan; delimitation is underway with Uzbekistan but serious disputes around enclaves and elsewhere continue to mar progress for some 130 km of border
Laos | demarcation of boundaries with Cambodia, Thailand, and Vietnam is largely complete, but with Thailand several areas including Mekong River islets remain in dispute; ongoing disputes with Thailand and Vietnam over squatters; concern among Mekong Commission members that China's construction of dams on the Mekong River will affect water levels
Latvia | the Russian Duma refuses to ratify boundary delimitation treaty with Latvia; the Latvian Parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over oil exploration rights
Lebanon | Syrian troops in central and eastern Lebanon since October 1976; Lebanese Government claims Shab'a Farms area of Israeli-occupied Golan Heights
Lesotho | none
Liberia | domestic fighting among disparate rebel groups, warlords, and youth gangs in Guinea, Liberia, and Sierra Leone have created insurgencies, street violence, looting, arms trafficking, and ethnic conflicts and refugees in border areas; the Cote d'Ivoire Government accuses Liberia of supporting Ivorian rebels
Libya | Libya has claimed more than 32,000 sq km in southeastern Algeria and about 25,000 sq km in Niger in currently dormant disputes; various Chadian rebels from the Aozou region reside in southern Libya
Liechtenstein | Liechtenstein's royal family claims restitution for 1,600 sq km of land in the Czech Republic confiscated in 1918
Lithuania | in May 2003, the Russian Parliament ratified the 1997 land and maritime boundary treaty with Lithuania, which ratified the treaty in 1999, legalizing limits of former Soviet republic borders; both states also implement a simplified transit regime for Russian nationals transiting Lithuania to and from the Russian Kaliningrad coastal enclave; the Latvian Parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over oil exploration rights
Luxembourg | none
Macau | none
Macedonia | the Albanian government calls for the protection of the rights of ethnic Albanians in Macedonia while continuing to seek regional cooperation; ethnic Albanians in Kosovo resist demarcation of a small section of the Macedonia-Kosovo boundary in accordance with the 2000 delimitation treaty, which transferred a small amount of land to Macedonia; dispute with Greece over country's name persists
Madagascar | claims Bassas da India, Europa Island, Glorioso Islands, and Juan de Nova Island (all administered by France)
Malawi | dispute with Tanzania over the boundary in Lake Nyasa (Lake Malawi) and the meandering Songwe River remain dormant
Malaysia | involved in complex dispute with China, Philippines, Taiwan, Vietnam and possibly Brunei over the Spratly Islands; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; disputes over deliveries of fresh water to Singapore, Singapore's land reclamation, bridge construction, maritime boundaries, and Pedra Branca Island/Pulau Batu Putih persist - parties agree to ICJ arbitration on island dispute within three years; ICJ awarded Ligitan and Sipadan islands off the coast of Sabah, also claimed by Indonesia and Philippines, to Malaysia; a 1 kilometer segment at the mouth of the Golok River remains in dispute with Thailand; Philippines retains a now dormant claim to Malaysia's Sabah State in northern Borneo based on the Sultanate of Sulu's granting the Philippines Government power of attorney to pursue the Sultanate's sovereignty claim; in 2003 Brunei and Malaysia ceased gas and oil exploration in their offshore and deepwater seabeds until negotiations progress to an agreement over allocation of disputed areas; Malaysia's land boundary with Brunei around Limbang is in dispute
Maldives | none
Mali | none
Malta | none
Man, Isle of | none
Marshall Islands | claims US territory of Wake Island
Martinique | none
Mauritania | Mauritanian claims to Western Sahara have been dormant in recent years
Mauritius | Mauritius claims the Chagos Archipelago (UK-administered British Indian Ocean Territory), and its former inhabitants, who reside chiefly in Mauritius, were granted UK citizenship and the right to repatriation in 2001; claims French-administered Tromelin Island
Mayotte | claimed by Comoros
Mexico | prolonged drought, population growth, and outmoded practices and infrastructure in the border region have strained water-sharing arrangements with the US; nationals from Central America slip into Mexico seeking work or transit into the US; undocumented Mexican nationals continue to enter the United States
Micronesia, Federated States of | none
Midway Islands | none
Moldova | difficulties with the Transnistria region complicate controlling border crossing and customs regimes with Ukraine, despite concordance on 2003 delimitation and customs protocols and OSCE assistance
Monaco | none
Mongolia | none
Montserrat | none
Morocco | claims and administers Western Sahara whose sovereignty remains unresolved - UN-administered cease-fire has remained in effect since September 1991, but attempts to hold a referendum have failed and parties thus far have rejected all brokered proposals; Morocco protests Spain's control over the coastal enclaves of Ceuta, Melilla, and Penon de Velez de la Gomera, the islands of Penon de Alhucemas and Islas Chafarinas, and surrounding waters; Morocco also rejected Spain's unilateral designation of a median line from the Canary Islands in 2002 to set limits to undersea resource exploration and refugee interdiction, but agreed in 2003 to discuss a comprehensive maritime delimitation; Morocco serves as one of the primary launching areas of illegal migration into Spain from North Africa
Mozambique | none
Namibia | commission established with Botswana to resolve small residual disputes along the Caprivi Strip, including the Situngu marshlands along the Linyanti River; Botswana residents protest Namibia's planned construction of the Okavango hydroelectric dam on Popa Falls; managed dispute with South Africa over the location of the boundary in the Orange River; Botswana, Namibia, Zambia, and Zimbabwe boundary convergence is not clearly defined or delimited; Angolan rebels and refugees still reside in Namibia
Nauru | none
Navassa Island | claimed by Haiti, source of subsistence fishing
Nepal | joint border commission continues to work on small disputed sections of boundary with India; India has instituted a stricter border regime to restrict transit of Maoist insurgents and illegal cross-border activities
Netherlands | none
Netherlands Antilles | none
New Caledonia | Matthew and Hunter Islands east of New Caledonia claimed by France and Vanuatu
New Zealand | territorial claim in Antarctica (Ross Dependency)
Nicaragua | territorial disputes with Colombia over the Archipelago de San Andres y Providencia and Quita Sueno Bank region; the 1992 ICJ ruling for El Salvador and Honduras advised a tripartite resolution to establish a maritime boundary in the Gulf of Fonseca, which considers Honduran access to the Pacific; legal dispute over navigational rights of San Juan River on border with Costa Rica
Niger | Libya claims about 25,000 sq km in a currently dormant dispute; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated, and ICJ ad hoc judges have been selected to rule on disputed Niger and Mekrou River islands; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over the lake region, which remains the site of armed clashes among local populations and militias
Nigeria | ICJ ruled in 2002 on the entire Cameroon-Nigeria land and maritime boundary but the parties formed a Joint Border Commission to resolve differences bilaterally and have commenced with demarcation in less-contested sections of the boundary, starting in Lake Chad in the north; Nigeria initially rejected cession of the Bakasi Peninsula; the ICJ ruled on an equidistance settlement of Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea, but imprecisely defined coordinates in the ICJ decision, the unresolved Bakasi allocation, and a sovereignty dispute between Equatorial Guinea and Cameroon over an island at the mouth of the Ntem River all contribute to the delay in implementation; several villages along the Okpara River are in dispute with Benin; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over lake region, which remains the site of armed clashes among local populations and militias
Niue | none
Norfolk Island | none
Northern Mariana Islands | none
Norway | Norway asserts a territorial claim in Antarctica (Queen Maud Land and its continental shelf); despite recent discussions, Russia and Norway continue to dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone
Oman | boundary agreement signed and ratified with UAE in 2003 for entire border, including Oman's Musandam Peninsula and Al Madhah enclaves
Pacific Ocean | some maritime disputes (see littoral states)
Pakistan | Kashmir remains the world's largest and most highly militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir, and Northern Areas), but recent discussions and confidence-building measures among the parties are beginning to defuse tensions; India does not recognize Pakistan's ceding lands to China in 1965 boundary agreement; disputes with Pakistan over Indus River water sharing and the terminus of the Sir Creek Estuary at the mouth of the Rann of Kutch, which prevents maritime boundary delimitation; Pakistani maps continue to show Junagadh claim in India's Gujarat State; despite largely successful UN efforts at voluntary repatriation, 2-3 million Afghan refugees continue to reside in Pakistan, many at their own choosing; Pakistan has sent troops into remote tribal areas to control the border with Afghanistan to stem organized terrorist and other illegal cross-border activities; regular meetings with Afghan and coalition allies aim to resolve periodic claims of boundary encroachments
Palau | border delineation disputes being negotiated with Philippines, Indonesia
Palmyra Atoll | none
Panama | none
Papua New Guinea | seeks assistance from Australia to control illegal cross-border activities from primarily Indonesia, including smuggling, drug trafficking, and Indonesian squatters and secessionists
Paracel Islands | occupied by China, but claimed by Taiwan and Vietnam
Paraguay | unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and fundraising for extremist organizations
Peru | Bolivia has reanimated its claim to restore the Atacama corridor ceded to Chile and adjoining Peru in 1884 to secure sovereign maritime assess for Bolivian natural gas
Philippines | involved in complex dispute with China, Malaysia, Taiwan, Vietnam and possibly Brunei over the Spratly Islands, known locally as the Kalayaan (Freedom) Islands, the 2002 "Declaration on the Conduct of Parties in the South China Sea," has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; Philippines retains a dormant claim to Malaysia's Sabah State in northern Borneo based on the Sultanate of Sulu's granting the Philippines Government power of attorney to pursue a sovereignty claim
Pitcairn Islands | none
Poland | none
Portugal | some Portuguese groups assert dormant claims to territories ceded to Spain around the town of Olivenza
Puerto Rico | none
Qatar | none
Reunion | none
Romania | has not resolved claims to Ukrainian-administered Zmyinyy (Snake) Island and Black Sea maritime boundary despite ongoing talks based on 1997 friendship treaty to find a solution in two years; Hungary amended status law extending special social and cultural benefits to ethnic Hungarians in Romania, who had objected to the law
Russia | China and Russia in 2004 resolved their last border dispute over islands in the Amur and Argun Rivers, but details on demarcation have not yet been worked-out; the sovereignty dispute over the islands of Etorofu, Kunashiri, Shikotan, and the Habomai group known in Japan as the "Northern Territories" and in Russia as the "Southern Kurils," occupied by the Soviet Union in 1945, now administered by Russia, and claimed by Japan, remains the primary sticking point to signing a peace treaty formally ending World War II hostilities; about a third of the boundary with Georgia remains undelimited and none of it demarcated with several small, strategic segments remaining in dispute; OSCE observers monitor volatile areas such as the Pankisi Gorge in the Akhmeti region and the Kodori Gorge in Abkhazia; equidistant seabed treaties have been signed with Azerbaijan and Kazakhstan in the Caspian Sea but no consensus on dividing the water column among the littoral states; Russia and Norway dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone; Russia continues to reject signing and ratifying the joint 1996 technical border agreement with Estonia; the Russian Parliament refuses to consider ratification of the boundary treaties with Estonia and Latvia, but in May 2003, ratified land and maritime boundary treaty with Lithuania, which ratified the 1997 treaty in 1999, legalizing limits of former Soviet republic borders; a simplified transit regime was adopted in July 2003 for residents of the Kaliningrad coastal exclave to travel through Lithuania to Russia; delimitation of land boundary with Ukraine is complete, but demarcation remains unresolved; Ukraine protests Russia's construction of a causeway in the direction of Ukrainian-administered Tuzla Island in the Kerch Strait; Kazakhstan and Russia will complete delimitation of their interstate border in 2004 and demarcation is underway; Russian Duma has not yet ratified 1990 Maritime Boundary Agreement with the US in the Bering Sea
Rwanda | Tutsi, Hutu, Hema, Lendu, and other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated areas and natural resources - government heads pledge to end conflicts, but localized violence continues despite UN peacekeeping efforts
Saint Helena | none
Saint Kitts and Nevis | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Saint Lucia | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Saint Pierre and Miquelon | none
Saint Vincent and the Grenadines | joins other Caribbean states to counter Venezuela's claim that Aves Island sustains human habitation, a criterion under UNCLOS, which permits Venezuela to extend its EEZ/continental shelf over a large portion of the Caribbean Sea
Samoa | none
San Marino | none
Sao Tome and Principe | none
Saudi Arabia | nomadic groups on border region with Yemen resist demarcation of boundary; Yemen protests Saudi erection of a concrete-filled pipe as a security barrier in 2004 to stem illegal cross-border activities in sections of the boundary; Kuwait and Saudi Arabia continue discussions on a maritime boundary with Iran; because the treaties have not been made public, the exact alignment of the boundary with the UAE is still unknown and labeled approximate
Senegal | The Gambia and Guinea-Bissau attempt to stem refugees, cross border raids, arms smuggling, and political instability from a separatist movement in Senegal's Casamance region
Serbia and Montenegro | the future status of Kosovo remains an unresolved issue in South Central Europe with Kosovo Albanians overwhelmingly supporting and Serbian officials opposing Kosovo independence; the international community has agreed to begin a process to determine final status only after significant progress has been made in solidifying multi-ethnic democracy in Kosovo as outlined in the policy of "standards before status"; the Contact group (including the US, UK, France, Germany, Italy, and Russia) will review progress on the UNMIK standard around mid-2005; ethnic Albanians in Kosovo resist demarcation of the F.Y.R.O.M. boundary in accordance with the 2000 delimitation treaty, which transfers on net a small amount of land to F.Y.R.O.M.; Serbia and Montenegro have delimited about half of the boundary with Bosnia and Herzegovina, but sections along the Drina River remain in dispute
Seychelles | together with Mauritius, Seychelles claims the Chagos Archipelago (UK-administered British Indian Ocean Territory)
Sierra Leone | domestic fighting among disparate rebel groups, warlords, and youth gangs in Guinea, Liberia, and Sierra Leone have created insurgencies, street violence, looting, arms trafficking, ethnic conflicts, and refugees in border areas; in 2003, Guinea and Sierra Leone established a boundary commission to resolve a dispute over the town of Yenga
Singapore | disputes with Malaysia over deliveries of fresh water to Singapore, Singapore's land reclamation works, bridge construction, maritime boundaries, and Pedra Branca Island/Pulau Batu Putih persist - parties agree to ICJ arbitration on island dispute within three years
Slovakia | Hungary amended its status law extending special social and cultural benefits to ethnic Hungarians in Slovakia, many of whom had protested the law; Slovakia and Hungary have renewed discussions on ways to resolve differences over the Gabcikovo-Nagymaros hydroelectric dam on the Danube, with possible resort again to the ICJ for final resolution
Slovenia | the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Piran Bay and maritime access to Slovenia and several villages to Croatia, remains controversial, has not been ratified, and has been complicated by Croatia's declaration of an ecological-fisheries zone in the Adriatic Sea
Solomon Islands | Australian defense personnel are dispatched at the invitation of the Solomon Islands' Government to restore law and order on the islands and reinforce regional security
Somalia | "Somaliland" secessionists provide port facilities to land-locked Ethiopia and establish commercial ties with regional states; "Puntland" secessionists clash with "Somaliland" secessionists to establish territorial limits and clan loyalties, each seeking support from neighboring states; Ethiopia maintains only an administrative line with the Oromo region of southern Somalia and maintains alliances with local Somali clans opposed to the unrecognized Transitional National Government in Mogadishu
South Africa | managed dispute with Namibia over the location of the boundary in the Orange River
South Georgia and the South Sandwich Islands | briefly occupied by military force in 1982 - claimed by Argentina in constitution but declares it will no longer seek settlement by force
Southern Ocean | Antarctic Treaty defers claims (see Antarctica entry), but Argentina, Australia, Chile, France, NZ, Norway, and UK assert claims (some overlapping), including the continental shelf in the Southern Ocean; several states have expressed an interest in extending those continental shelf claims under the United Nations Convention on the Law of the Sea (UNCLOS) to include undersea ridges; the US and most other states do not recognize the land or maritime claims of other states and have made no claims themselves (the US and Russia have reserved the right to do so); no formal claims have been made in the sector between 90 degrees west and 150 degrees west
Spain | since Gibraltar residents voted overwhelmingly by referendum in 2003 against a "total shared sovereignty" arrangement, talks between the UK and Spain over the fate of the 300-year old UK colony have stalled; Spain disapproves of UK plans to grant Gibraltar greater autonomy; Morocco protests Spain's control over the coastal enclaves of Ceuta, Melilla, and the islands of Penon de Velez de la Gomera, Penon de Alhucemas and Islas Chafarinas, and surrounding waters; Morocco serves as the primary launching area of illegal migration into Spain from North Africa; Morocco rejected Spain's unilateral designation of a median line from the Canary Islands in 2002 to set limits to undersea resource exploration and refugee interdiction, but agreed in 2003 to discuss a comprehensive maritime delimitation; some Portuguese groups assert dormant claims to territories ceded to Spain around the town of Olivenza
Spratly Islands | all of the Spratly Islands are claimed by China, Taiwan, and Vietnam; parts of them are claimed by Malaysia and the Philippines; in 1984, Brunei established an exclusive fishing zone that encompasses Louisa Reef in the southern Spratly Islands but has not publicly claimed the reef; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea," which has eased tensions but falls short of a legally binding "code of conduct"
Sri Lanka | none
Sudan | the north-south civil war has affected Sudan's neighbors by drawing them into the fighting and by forcing them to provide shelter to refugees, to contend with infiltration by rebel groups, and to serve as mediators; Sudan has provided shelter to Ugandan refugees and cover to Lord's Resistance Army soldiers; Sudan accuses Eritrea of supporting Sudanese rebel groups; efforts to demarcate the porous boundary with Ethiopia have been delayed by fighting in Sudan; Kenya's administrative boundary still extends into the Sudan, creating the "Ilemi Triangle"; Egypt and Sudan retain claims to administer the triangular areas that extend north and south of the 1899 Treaty boundary along the 22nd Parallel, but have withdrawn their military presence; Egypt is economically developing and currently effectively administers the "Hala'ib Triangle" north of the Treaty Line; Sudan has pledged to work with the Central African Republic to stem violent skirmishes over water and grazing among related pastoral populations along the border
Suriname | area claimed by French Guiana between Riviere Litani and Riviere Marouini (both headwaters of the Lawa); Suriname claims a triangle of land between the New and Kutari/Koetari Rivers in a historic dispute over the headwaters of the Courantyne; Guyana seeks UNCLOS arbitration to resolve the long-standing dispute with Suriname over the axis of the territorial sea boundary in potentially oil-rich waters
Svalbard | despite recent discussions, Russia and Norway dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone
Swaziland | none
Sweden | none
Switzerland | none
Syria | Golan Heights is Israeli-occupied; Lebanon claims Shaba'a farms in Golan Heights; Syrian troops have been stationed in Lebanon since October 1976; Syria protests Turkish hydrological projects regulating upper Euphrates waters; settled border dispute with Jordan in 2004
Taiwan | involved in complex dispute with China, Malaysia, Philippines, Vietnam, and possibly Brunei over the Spratly Islands; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; Paracel Islands are occupied by China, but claimed by Taiwan and Vietnam; in 2003, China and Taiwan asserted claims to the Japanese-administered Senkaku Islands (Diaoyu Tai) with increased media coverage and protest actions
Tajikistan | prolonged regional drought created water-sharing difficulties for Amu Darya river states; boundary agreements signed in 2002 cede 1,000 sq km of Pamir Mountain range to China in return for China relinquishing claims to 28,000 sq km of Tajikistani lands but demarcation has not yet commenced; talks continue with Uzbekistan to delimit border and remove minefields; disputes in Isfara Valley delay delimitation with Kyrgyzstan
Tanzania | disputes with Malawi over the boundary in Lake Nyasa (Lake Malawi) and the meandering Songwe River remain dormant
Thailand | a 1 kilometer segment at the mouth of the Golok River remains in dispute with Malaysia; demarcation with Laos complete except for certain Mekong River islets and complaints of Thai squatters; despite continuing border committee talks, significant differences remain with Burma over boundary alignment and the handling of ethnic rebels, refugees, and illegal cross-border activities; Cambodia accuses Thailand of moving boundary markers and obstructing access to Preah Vihear temple ruins awarded to Cambodia by ICJ decision in 1962; 2003 anti-Thai riots in Phnom Penh resulted in the destruction of the Thai Embassy and damage to 17 Thai-owned businesses and disputes over payments of full compensation persist; groups in Burma and Thailand express concern over China's construction of 13 hydroelectric dams on the Salween River in Yunnan Province
Togo | in 2001 Benin claimed Togo moved boundary monuments - joint commission continues to resurvey the boundary
Tokelau | none
Tonga | none
Trinidad and Tobago | Barbados will assert its claim before UNCLOS that the northern limit of Trinidad and Tobago's maritime boundary with Venezuela extends into its waters; Guyana has also expressed its intention to challenge this boundary as it may extend into its waters as well
Tromelin Island | claimed by Mauritius
Tunisia | none
Turkey | complex maritime, air, and territorial disputes with Greece in the Aegean Sea; Cyprus question remains with Greece; Syria and Iraq protest Turkish hydrological projects to control upper Euphrates waters; Turkey has expressed concern over the status of Kurds in Iraq; border with Armenia remains closed over Nagorno-Karabakh
Turkmenistan | prolonged regional drought created water-sharing difficulties for Amu Darya river states; Turkmenistan and Uzbekistan reached an agreement on improving water usage along the Amu Darya in 2004; delimitation of Caspian seabed remains unresolved
Turks and Caicos Islands | have received Haitians fleeing economic collapse and civil unrest
Tuvalu | none
Uganda | Tutsi, Hutu, Lendu, Hema, and other ethnic groups, associated political rebels, armed gangs, militias, and various government forces continue fighting in the Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated areas and natural resources; government heads pledge to end conflict, but localized violence continues despite UN peacekeeping efforts; civil conflict in Sudan has extended Sudanese rebel forces and refugees into Uganda and given shelter to Ugandan Lord's Resistance Army soldiers in Sudan; Kenya and Uganda are working together to stem cattle rustling and violence by Lord's Resistance Army along the border
Ukraine | 1997 boundary treaty with Belarus remains unratified due to unresolved financial claims, preventing demarcation and reducing border security; delimitation of land boundary with Russia is complete but boundary through the Sea of Azov and Kerch Strait remains unresolved despite a December 2003 framework agreement and on-going expert-level discussions; Ukraine protests Russia's construction of a causeway in the direction of Ukrainian-administered Tuzla Island in the Kerch Strait; difficulties with Moldova's Transnistria region complicate controlling border crossing and customs regimes despite concordance on the 2003 delimitation and customs protocols and OSCE assistance; has not resolved Romanian claims to Ukrainian-administered Zmiyinyy (Snake) Island and Black Sea maritime boundary despite ongoing talks based on 1997 friendship treaty to find a solution in two years; ongoing dispute between Ukraine and Romania over the Danube River delta
United Arab Emirates | because the treaties have not been made public, the exact alignment of the boundary with Saudi Arabia is still unknown and labeled approximate; boundary agreement signed and ratified with Oman in 2003 for entire border, including Oman's Musandam Peninsula and Al Madhah enclaves; UAE engage in direct talks and solicit Arab League support to resolve disputes over Iran's occupation of Lesser and Greater Tunb Islands and Abu Musa Island
United Kingdom | since Gibraltar residents voted overwhelmingly by referendum in 2003 against a "total shared sovereignty" arrangement, talks between the UK and Spain over the fate of the 300-year old UK colony have stalled; Spain disapproves of UK plans to grant Gibraltar greater autonomy; Mauritius and Seychelles claim the Chagos Archipelago (British Indian Ocean Territory), and its former inhabitants since their eviction in 1965; most reside chiefly in Mauritius, and in 2001 were granted UK citizenship and the right to repatriation; UK continues to reject sovereignty talks requested by Argentina, which still claims the Falkland Islands (Islas Malvinas) and South Georgia and the South Sandwich Islands; Rockall continental shelf dispute involving Denmark and Iceland remains dormant; territorial claim in Antarctica (British Antarctic Territory) overlaps Argentine claim and partially overlaps Chilean claim; disputes with Iceland, Denmark, and Ireland over the Faroe Islands continental shelf boundary outside 200 nm
United States | Prolonged drought, population growth, and outmoded practices and infrastructure in the border region has strained water-sharing arrangements with Mexico; undocumented nationals from Mexico and Central America continue to enter the United States illegally; 1990 Maritime Boundary Agreement in the Bering Sea still awaits Russian Duma ratification; managed maritime boundary disputes with Canada at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; The Bahamas have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from Cuba and only mutual agreement or US abandonment of the area can terminate the lease; Haiti claims US-administered Navassa Island; US has made no territorial claim in Antarctica (but has reserved the right to do so) and does not recognize the claims of any other state; Marshall Islands claims Wake Island
Uruguay | uncontested dispute with Brazil over certain islands in the Quarai/Cuareim and Invernada streams and the resulting tripoint with Argentina
Uzbekistan | prolonged drought and cotton monoculture creates water-sharing difficulties for Amu Darya river states; delimitation with Kazakhstan complete with demarcation underway; delimitation is underway with Kyrgyzstan but serious disputes around enclaves and elsewhere continue to mar progress for some 130 km of border; talks continue with Tajikistan to determine and delimit border
Vanuatu | Matthew and Hunter Islands east of New Caledonia claimed by Vanuatu and France
Venezuela | claims all of the area west of the Essequibo River, preventing any discussion of a maritime boundary; Guyana has expressed its intention to join Barbados in asserting claims before UNCLOS that the Trinidad and Tobago's maritime boundary with Venezuela extends into their waters; maritime boundary dispute with Colombia in the Gulf of Venezuela and the Caribbean Sea; US, France and the Netherlands recognize Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea; Dominica, Saint Kitts and Nevis, Saint Lucia, and Saint Vincent and the Grenadines protest Venezuela's claim that Aves Island sustains human habitation and other states' recognition of it
Vietnam | demarcation of the land boundary with China continues, but maritime boundary and joint fishing zone agreement remains unimplemented; Cambodia and Laos protest Vietnamese squatters and armed encroachments along border; China occupies Paracel Islands also claimed by Vietnam and Taiwan; involved in complex dispute with China, Malaysia, Philippines, Taiwan, and possibly Brunei over the Spratly Islands; the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants
Virgin Islands | none
Wake Island | claimed by Marshall Islands
Wallis and Futuna | none
West Bank | West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation
Western Sahara | Morocco claims and administers Western Sahara, whose sovereignty remains unresolved - UN-administered cease-fire has remained in effect since September 1991 but attempts to hold a referendum have failed and parties thus far have rejected all brokered proposals
World | stretching over 250,000 km, the world's 325 international land boundaries separate the 192 independent states and 72 dependencies, areas of special sovereignty, and other miscellaneous entities; ethnicity, culture, race, religion, and language have divided states into separate political entities as much as history, physical terrain, political fiat, or conquest, resulting in sometimes arbitrary and imposed boundaries; maritime states have claimed limits and have so far established over 130 maritime boundaries and joint development zones to allocate ocean resources and to provide for national security at sea; boundary, borderland/resource, and territorial disputes vary in intensity from managed or dormant to violent or militarized; most disputes over the alignment of political boundaries are confined to short segments and are today less common and less hostile than borderland, resource, and territorial disputes; undemarcated, indefinite, porous, and unmanaged boundaries, however, encourage illegal cross-border activities, uncontrolled migration, and confrontation; territorial disputes may evolve from historical and/or cultural claims, or they may be brought on by resource competition; ethnic clashes continue to be responsible for much of the territorial fragmentation around the world; disputes over islands at sea or in rivers frequently form the source of territorial and boundary conflict; other sources of contention include access to water and mineral (especially petroleum) resources, fisheries, and arable land; nonetheless, most nations cooperate to clarify their international boundaries and to resolve territorial and resource disputes peacefully; regional discord directly affects the sustenance and welfare of local populations, often leaving the world community to cope with resultant refugees, hunger, disease, impoverishment, deforestation, and desertification
Yemen | Yemen protests Eritrea fishing around the Hanish Islands awarded to Yemen by the ICJ in 1999; nomadic groups in border region with Saudi Arabia resist demarcation of boundary in accordance wih 2000 Jeddah Treaty; Yemen protests Saudi erection of a concrete-filled pipe as a security barrier in 2004 to stem illegal cross-border activities in sections of the boundary
Zambia | the Botswana, Namibia, Zambia, and Zimbabwe boundary convergence is not clearly defined or delimited
Zimbabwe | the Botswana, Namibia, Zambia, and Zimbabwe boundary convergence is not clearly defined or delimited
This page was last updated on 10 February, 2005