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A landlocked country is commonly defined as one enclosed or nearly enclosed by land.^[1][2][3][4] As of 2007, there are 43 landlocked countries in the world.

A sea that is almost landlocked is connected to the oceans by a strait only, such as the Baltic Sea, the Mediterranean Sea, and the Black Sea. This may be of strategic importance, with one or two other countries controlling the entrance, and/or be relevant for tides and freshwater content.

An island country can be conversely considered waterlocked^[5] as it is entirely surrounded by water. In such cases, one must cross water to reach land abroad.

Contents 1 Significance 2 List of landlocked countries 2.1 Doubly landlocked 2.2 Nearly landlocked 3 Corridors 4 Railway missing links 5 Notes 6 See also

Historically, being landlocked was regarded as a disadvantageous position. It cuts the country off from sea resources such as fishing, but more importantly cuts off access to seaborne trade which, even today, makes up a large percentage of international trade. Around the world, coastal regions tend to be wealthier and more heavily populated than inland ones.

Countries thus have made particular efforts to avoid being landlocked:

• The International Congo Society, which owned the modern-day Democratic Republic of the Congo, was given a thin piece of land bisecting Angola to connect it to the sea by the Conference of Berlin in 1885.
• The Dubrovnik Republic once gifted the town of Neum to the Ottoman Empire because it did not want to have a land border with Venice; this small municipality was inherited by Bosnia and Herzegovina and now provides limited sea access, splitting the Croatian part of the Adriatic coast in two.
• After World War I Poland was given the Danzig Corridor to provide an outlet to the sea.
• The Danube was internationalized so that landlocked Austria, Hungary, Czech Republic, Slovakia (and the southern parts of Germany, itself not landlocked) could have secure access to the Black Sea.

Losing access to the sea is often a great blow to nations:

• The creation of the new states of Eritrea and Montenegro, brought about by successful separatist movements, have caused Ethiopia and Serbia respectively to become landlocked.
• Bolivia lost its coastline to Chile in the War of the Pacific. Still to this day the Bolivian Navy trains in Lake Titicaca for an eventual recovery and, in the 21st century, the selection of the route of gas pipes from Bolivia to the sea fueled popular risings.
• Austria and Hungary also lost their access to the sea as a consequence of the Treaty of Trianon in 1920. Before, although Croatia had a constitutional autonomy within Hungary, the City of Fiume on the Croatian coast was independent, governed directly as a corpus separatum from Budapest by an appointed governor, to provide Hungary with its only international port in the periods 1779-1813, 1822-1848 and 1868-1918.
• When the Entente Powers divided the former Ottoman Empire under the Treaty of Sèvres at the close of World War I, Armenia was promised part of the Trebizond vilayet (roughly corresponding to the modern Trabzon and Rize provinces in Turkey). This would have granted Armenia access to the Black Sea. However, the Sèvres treaty collapsed with the Turkish War of Independence and was superseded by the Treaty of Lausanne which firmly established Turkish rule over the area.

The United Nations Convention on the Law of the Sea now gives a landlocked country a right of access to and from the sea, without taxation of traffic through transit states. The United Nations has a programme of action to assist Landlocked Developing Countries, and the current responsible Undersecretary-General is Anwarul Karim Chowdhury.

Some countries may have a large coastline, but much of it may not be readily usable for trade and commerce. For instance, in its early history, Russia's only ports were on the Arctic Ocean and frozen shut much of the year. Gaining control of a warm water port was a major motivator of Russian expansion towards the Baltic Sea, Black Sea and Pacific Ocean. On the other hand, some landlocked countries can have access to the ocean through wide navigable rivers. For instance, Paraguay (and Bolivia to a lesser extent) have access to the ocean through the Paraguay and Parana rivers.

Several countries have coastlines on landlocked seas, such as the Caspian and the Aral. Since these seas are sometimes considered to be lakes, and since they do not allow access to seaborne trade, countries such as Kazakhstan are still considered to be landlocked.

Afghanistan Andorra Armenia Austria Azerbaijan* Belarus Bhutan Bolivia Botswana

Burkina Faso Burundi Central African Republic Chad Czech Republic Ethiopia Hungary Kazakhstan* ** Kyrgyzstan

Laos Lesotho Liechtenstein Luxembourg Macedonia Malawi Mali Moldova

Mongolia Nepal Niger Paraguay Rwanda San Marino Serbia Slovakia Swaziland

Switzerland Tajikistan Turkmenistan* Uganda Uzbekistan ** Vatican City Zambia Zimbabwe

* Has a coast on the non-freshwater Caspian Sea

** Has a coast on the non-freshwater Aral Sea

They can be grouped in contiguous groups as follows:

• Central Asia landlocked countries (6): Afghanistan, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan
• Central European and Balkan landlocked countries (8): Austria, Czech Republic, Hungary, Liechtenstein, Macedonia, Serbia, Slovakia and Switzerland
• Central African landlocked countries (5): Burkina Faso, Central African Republic, Chad, Mali, Niger
• South African landlocked countries (4): Botswana, Malawi, Zambia, Zimbabwe
• East African landlocked countries (3): Burundi, Rwanda, Uganda
• Caucasian landlocked countries (2): Armenia, Azerbaijan
• South American landlocked countries (2): Bolivia, Paraguay

There are the following 'single' landlocked countries (each of them borders no other landlocked country):

• Africa: Ethiopia, Lesotho, Swaziland
• Asia: Bhutan, Laos, Mongolia, Nepal
• Europe: Andorra, Belarus, Luxembourg, Moldova, San Marino, Vatican City

Europe is the continent with the most landlocked countries (16), while Africa is a close second with 15. Asia has 10, while South America has only 2. North America and Oceania are the only continents with no landlocked countries. (Oceania is also notable for having almost no land borders.)

After World War II, the Saarland and West-Berlin became landlocked while being separated from Germany. The Soviet Berlin blockade of 1948 stopped all land traffic. The threat of starvation of the large population was overcome by the Western Allied Berlin airlift.

A landlocked country which is surrounded entirely by other landlocked countries may be called a "doubly landlocked" country. A person in such a country has to cross at least two borders to reach a coastline.

There are only two such countries in the world:

• Liechtenstein in Central Europe
• Uzbekistan in Central Asia (if the Caspian Sea is considered a lake).

Uzbekistan has borders with two countries (Kazakhstan in the north and Turkmenistan in the south) which border the landlocked but salt Caspian Sea from which ships can reach the Sea of Azov by using the Volga-Don Canal and thus the Black Sea, the Mediterranean Sea and the oceans.

There was no doubly landlocked country in the world from the 1871 Unification of Germany until the end of World War I. This is because Uzbekistan was part of Russia and then of the Soviet Union; while Liechtenstein borders Austria, which had an Adriatic coast until 1918.

The following countries are almost landlocked, and their short coastlines measure only a tiny fraction of the length of their land borders. The list below gives the countries where this fraction is less than 5%:

• Democratic Republic of the Congo, 0.3%
• Bosnia and Herzegovina, 1.4%
• Iraq, 1.6%
• Jordan, 1.6%
• Republic of the Congo, 3.0%
• Togo, 3.3%
• Slovenia, 3.4%
• Belgium, 4.6% - this low fraction results from Belgium's very complex land borders with the Netherlands, Germany, Luxembourg and France, contrasting with its very smooth North Sea coastline.

A landlocked country may be given access to the sea through a corridor:

• In the Treaty of Versailles, a part of Germany, designated "the Polish corridor", was given to the new post-World War I country Second Polish Republic, for access to the Baltic Sea, which was also the pretext for making Danzig with its harbour the Free City of Danzig. This made Poland a semi-landlocked country as described in the previous section, but Poland soon enlarged the small fisher harbor of Gdynia into a large one.
• The Democratic Republic of the Congo and Bosnia & Herzegovina have sea corridors.
• Bolivia lost its corridor to the sea after the War of the Pacific.

While the railway systems of Europe and North America all interconnect (albeit sometimes with incompatible technology), Africa, South and Central America, Asia and the Middle East generally do not connect very well. This might be called "rail-locked". Kathmandu, for instance, the capital of landlocked Nepal, does not have any railway connection over the Himalaya passes, unlike Tibet.

• Enclave
• List of countries by length of coastline
• List of countries that border only one other country
• List of national four-country border sets
• Navies of landlocked countries