Xinjiang Uygur

geographical name

Xin·​jiang Uy·​gur ˈshin-ˈjyäŋ-ˈwē-gər 

variants or Sinkiang Uighur, often shortened to Xinjiang or Sinkiang

region (formerly a province) of western China between the Kunlun and Altai mountains and bordering Mongolia, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, and the disputed territory of Jammu and Kashmir; capital Ürümqi area 635,829 square miles (1,653,154 square kilometers), population 21,815,815

Note: In area, Xinjiang Uygur is the largest administrative unit of China.