Tajikistan, officially the Republic of Tajikistan, is a mountainous landlocked country in Central Asia. Afghanistan borders to the south, Uzbekistan to the west, Kyrgyzstan to the north, and People's Republic of China to the east. Most of Tajikistan's population belongs to the Tajik ethnic group, who share culture and history with the Persian peoples and Uzbek people and speak the Tajik language. Once the location of the Samanid Empire, Tajikistan became a constituent republic of the Soviet Union in the 20th century, known as the Tajik Soviet Socialist Republic.
Tajikistan is landlocked, and is the smallest nation in Central Asia by area. It is covered by mountains of the Pamir range, and more than fifty percent of the country is over 3,000 meters (approx. 10,000 ft) above sea level. The only major areas of lower land are in the north which is part of the Fergana Valley, and in the southern Kafirnigan and Vakhsh valleys which form the Amu Darya and have much higher rainfall. Dushanbe is located on the southern slopes above the Kafirnigan valley.
The Amu Darya and Panj rivers mark the border with Afghanistan, and Tajikistan's mountains are the major source of runoff for the Aral Sea |