Turkistan
geographical name
Tur·ki·stan ˌtər-kə-ˈstan 
-ˈstän;
ˈtər-kə-ˌstan,
-ˌstän
variants or Turkestan
region of central Asia between Iran and Siberia see chinese turkestan, russian turkestan
Note: Turkistan is now divided between Turkmenistan, Uzbekistan, Tajikistan, Kyrgyzstan, Kazakhstan, China, and Afghanistan.