Basu County is affiliated to Changdu, Tibet Autonomous Region, located in the eastern part of the Tibet Autonomous Region, southeast of Changdu, located in the upper reaches of the Nu River, the county seat Baima Town is 3260 meters above sea level. To the east is Zuogong County, Chaya County, the south is bordered by Chayi County, the west is Lolong County, Nyingchi City Bomi County, North Lianchang City Karuo District, Leiwuqi County.