List_of_countries_that_border_only_one_other_country

This is a list of countries that have a land border with only one other country. The list does not include de facto independent disputed areas or unrecognised countries.

With transport by sea being cheaper than transport by land, some of these countries may be said to have several neighbours "by sea". As an example Denmark "borders" Sweden and Norway by sea.

• note on leased/ceded territories. Territory leased or ceded by one country to another for perpetual use, but not in sovereignty, such as Guantanamo Bay Naval Base in Cuba, or memorials, such as the American Cemetery in Normandy, France, do not constitutes true territorial borders, because the land occupied remains a formal part of the host country.

Peninsulae

• Qatar - with Saudi Arabia, 60 km (37 mi)
• Denmark - with Germany, 68 km (42 mi) (connected to Sweden via the Oresund Bridge, see list below)

Partly surrounded, with sea access

• The Gambia - by Senegal, 740 km (460 mi)
• Monaco - by France, 4.4 km (2.7 mi)
• Portugal - with Spain, 1,214 km (754 mi), in the Iberian Peninsula
• South Korea - with North Korea, 238 km (148 mi), in the Korean Peninsula, across the Demilitarized Zone, see below.

Landlocked and completely surrounded (enclaves)

• Lesotho - by South Africa, 909 km (565 mi)
• San Marino - by Italy, 39 km (24 mi)
• Vatican City - by Italy, 3.2 km (2 mi)

Sharing an island

See also List of divided islands

• Brunei borders only Malaysian Borneo, 381 km (237 mi)
• Dominican Republic and Haiti border only each other, 360 km (220 mi), on the island of Hispaniola
• East Timor borders only Indonesia, 228 km (142 mi), on the island of Timor
• The Republic of Ireland and the United Kingdom (specifically, Northern Ireland) border only each other, 360 km (220 mi), on the island of Ireland (the island of Great Britain is connected to France via the Channel Tunnel, see list below)
• Papua New Guinea borders only Indonesia, 820 km (510 mi), on the island of New Guinea

Sharing a continent

• Canada shares a land border only with the United States. It has sea boundaries with Denmark (between Baffin Island and Greenland) and France (between the island of Newfoundland and the territory of St. Pierre and Miquelon), but its only land boundaries are in the south with the contiguous United States and in the northwest with Alaska (a state of the United States).

Buffer zones

• South Korea shares a border with North Korea at the Demarcation Line, but they are separated by a 4-km wide Demilitarized Zone. (Both Korean governments consider themselves the rightful rulers of the entire Korean peninsula.)

Other borders

Causeways, bridges, and tunnels

Borders relevant to this list may arguably include short theoretical borders in the middle of man-made constructions. A bridge does not constitute a land border; however the status of tunnels as "true" land borders is disputed, as these exist on land, but not on the surface.^{[citation needed]} Also artificial islands or causeways could be disputed.^{[citation needed]}

• Denmark, in addition to its border with Germany, technically also has an extremely short border with Sweden across the Oresund Bridge
• Singapore, although an island nation with no natural land borders, is connected to Malaysia by the Johor Causeway and the Malaysia-Singapore Second Link
• Bahrain, likewise an island nation, is connected to Saudi Arabia by the King Fahd Causeway; the Qatar–Bahrain Friendship Bridge connecting it to Qatar is planned but as yet incomplete
• The United Kingdom, in addition to its border with the Republic of Ireland, has a border with France in the Channel Tunnel

Dependent territories

In some cases, a dependent territory of one nation borders another nation.

• Akrotiri and Dhekelia, a British sovereign base area, borders the Republic of Cyprus. Dhekelia borders also the Turkish Republic of Northern Cyprus, but the latter is recognised only by Turkey.
• Åland Islands, a Finnish autonomous region, borders Sweden on the skerry of Märket.
• Gibraltar, a British territory, occupies a small peninsula and has a short land border with Spain.
• The island of Saint Martin is split between two island territories: the northern half, Saint-Martin, is a French overseas collectivity; the southern half, Sint Maarten, is part of the Netherlands Antilles.

Historical

There are many countries that historically had only one neighbour. Some no longer exist while others now have either no land borders or borders with more than one nation due to map changes.

• Korea bordered only China for several hundred years before 1860, after which a second international border with Russia appeared, according to the Convention of Peking
• Ciskei, one of the South African "independent" homelands, reincorporated on April 27, 1994
• Dominion of Newfoundland, with Canada, until March 31, 1949 when it became the Canadian province of Newfoundland (now named Newfoundland and Labrador)
• Scotland and England bordered each other until 1707 when Scotland and England were united by the Acts of Union, see Anglo-Scottish border.
• Hong Kong, comprising a continental portion and more than 200 islands in the South China Sea, was formerly ceded and leased by Qing China to the United Kingdom. It was returned to the People\'s Republic of China in 1997, but has since then operated with its own judicial system under the policy of "One Country, Two Systems". The land border and coastline, although no longer one between two states, are still controlled as though Hong Kong were an international exclave.
• Macau, comprises a peninsula and two islands in the South China Sea, 60 km west of Hong Kong, and like Hong Kong was formerly administered by a colonial power (in this case, Portugal) but returned to the People\'s Republic of China in 1999. It too has its own judicial system and retains border and coastal controls similar to those of an exclave.

See also

• Enclave and exclave
• Island country
• Land borders
• Separation barrier
• Landlocked country
• List of island nations
• List of divided islands
• List of national four-country border sets

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