What landlocked, mountainous, Central Asian country is bordered by Kazakhstan, Uzbekistan, Tajikistan and the People's Republic of China?
Tajikistan Tajikistan Tajikistan (, ; ), officially the Republic of Tajikistan (, Jumhuriyi Tojikiston), is a mountainous, landlocked country in Central Asia with an area of and an estimated population of /1e6 round 1 million people as of . It is bordered by Afghanistan to the south, Uzbekistan to the west, Kyrgyzstan to the north, and China to the east. The traditional homelands of the Tajik people include present-day Tajikistan as well as parts of Afghanistan and Uzbekistan. The territory that now constitutes Tajikistan was previously home to several ancient cultures, including the city of Sarazm of the Neolithic and the
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