Shigatse is the second largest city in the Tibet Autonomous Region (TAR) of the People's Republic of China. With a population of 100,000, it is one of the larger cities of Tibet. The city is located at an altitude of 12,600 ft (3,840 metres) at the confluence of the Yarlung Tsangpo (aka Brahmaputra) river and the Nyang River (Nyang Chu or Nyanchue) in west Tibet. Shigatse lies on flat terrain surrounded by high mountains, and the urban area is located just south of the Yarlung Zangbo River, located in the south-central Tibet Autonomous Region.