About Turkmenistan : The Turkmenistan is formerly known as Turkmenia. It is bounded by Uzbekistan in the east, the Caspian Sea in the west, Iran and Afghanistan in the south, and Kazakhstan in the north. The Karakum is one of the largest sand deserts in the world. The official language of Turkmenistan is 'Turkmen'. It is a Turkic language and is closely related to Crimean Tatar, Uzbek, and other Turkic languages.