Xinjiang (Uyghur: (Shinjang); ; Postal map spelling: Sinkiang) is an autonomous region of the People's Republic of China. It is a large, sparsely populated area which takes up about one sixth of the country's territory. Xinjiang borders the Tibet Autonomous Region to the south and Qinghai and Gansu provinces to the southeast, Mongolia to the east, Russia to the north, and Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, and the Pakistan- and India-controlled parts of Kashmir to the west.