Turkmenistan (formerly Turkmenia) is bounded by the Caspian Sea in the west, Kazakhstan in the north, Uzbekistan in the east, and Iran and Afghanistan in the south. About nine-tenths of Turkmenistan is desert, chiefly the Kara-Kum. One of the world's largest sand deserts, it is approximately 138,966 sq mi (360,000 sq km).
The country is approximately 488,100 square kilometers. 90% of the country is covered by the Karakum Desert. The center of country is dominated by Turan Depression and the Karakum Desert which are mostly flatlands. The Kopetdag Range, along the southwestern border, reaches 2,912 meters. The Balkan Mountains in the far west and the Kugitang Range in the far east are the only other appreciable elevations. Rivers include the Amu Darya and Hari Rud.
The climate is subtropical desert, with little rainfall. Winters are mild and dry, with most precipitation falling between January and May. Heaviest precipitation is in the Kopetdag Range.
Other cities include: Turkmenbashi (formerly Krasnovodsk).