Landlocked country one, making them the biggest contiguous group in the world. Also, the Central Asian and Caucasian clusters can be considered contiguous, joined by the landlocked Caspian Sea. Mongolia is almost part of this cluster too, being separated from Kazakhstan by only , across Russian or Chinese territory. There are the following "single" landlocked countries (each of them borders no other landlocked country): If the Caucasian countries and Kazakhstan are counted as part of Europe, then Europe has the most landlocked countries, at 20. If these transcontinental countries are included in Asia, then Africa has the most, at 16. Depending on
Landlocked country some countries, especially Iran and Turkmenistan, claim that the Caspian Sea should be considered as a real sea (mainly because this way they would have larger oil and gas fields), which would make Uzbekistan only a simple landlocked country because its neighbours Turkmenistan and Kazakhstan have access to the Caspian Sea. They can be grouped in "contiguous" groups as follows: If Transnistria is included then Moldova and Transnistria form their own cluster, listed in parentheses in the table. If it were not for the of coastline at Muanda, Democratic Republic of the Congo would join the two African clusters into