Yajiang, (Tibetan: nyag-chu-kha), is located south of Ganzi Tibetan Autonomous Prefecture in Sichuan Province (latitude 29 ° 03'-30 ° 30 ', longitude 100 ° 19'-101 ° 26'), has historically been the Yarlung one of the important river crossing. Kangding County, east, south Muli counties of Liangshan Prefecture, southwest by the Litang County, north Daofu, new Long County. An area of 7637 square km. In 1990 the total population of 36,474 people, including agriculture, population 31,652, non-agricultural population of 4822 people; Tibetan 32,951 people, Han 3504 people, more than the back, Yi and Qiang ethnic groups. Population of about 40,800 (2001), located in four districts, sixteen township, a town.
Sichuan Province, the "River"or "Shu", the provincial capital of Chengdu, located in southwest China, the Yangtze River, in longitude 97 ° 21 '~ 108 ° 31', latitude 26 ° 03 '~ 34 ° 19' between. To benefits, benefit, Azusa, Kui four named, the province of the total area of 48.5 square kilometers. Brief plateau phase the west, east of the Three Gorges Xianfeng overlap, north of Qinling Bashan barriers surround the south Yunnan-Guizhou Plateau, the formation of a famous Sichuan Basin. Sichuan Province, vast land and has a long history since ancient times to enjoy the "Land of Abundance"reputation.