Yatung

Yatung or Yadong, also known as Shasima (Tibetan: ཤར་གསིང་མ་, Wylie: shar gsing ma, THL: sharsingma, simplified Chinese: 下司马镇; traditional Chinese: 下司馬鎮; pinyin: Xiàsīmǎ Zhèn), is the principal town in the Chumbi Valley or Yadong County in the Tibet Autonomous Region of China. It is also its administrative headquarters.