Introduction to Chayu: Chayu County is located in the southeastern part of the Tibet Autonomous Region, in the Bersura Ridge area in the eastern part of the Nyingchi area. It is a mountainous and southeastern mountain valley in the transition from the Himalayas to the Hengduan Mountains. It is adjacent to Deqin County and Dicheng City Zuogong County of Diqing Tibetan Autonomous Prefecture in Yunnan Province to the south, to Myanmar and India to the south, to Medog County to the west, to Zuogong County of Changdu City, and to Baju County of Changdu City. The county meets and is one of the more remote border counties in the Tibet Autonomous Region. It is 537 kilometers away from Bayi Town, Linzhi County, 397 kilometers away from Changdu Bunda Airport, 960 kilometers away from Lhasa, and 588.64 kilometers long. Chayu 31,659 square kilometers. 35,000 mu of arable land and 8.64 million mu of forest. 25,823 people. Contains 3 townships and 3 towns, 97 villages or communities.