Dingjie County is one of the border counties of the Tibet Autonomous Region, located in the south of Tibet, the south of Xigaze City and the northern foothills of the Himalayas. The total area is 5,8344.6 square kilometers. Dingjie means "growing under the water" in Tibetan. Under the Xigaze City, the county government resident Jiangga. Dingjie County is located in the northern foot of the lake basin in the Himalayas, the terrain is high in the north and south, low in the middle. Climate for the plateau temperate semi-arid monsoon climate. According to the seventh census, the permanent population of Dingjie County was 20,362 as of midnight on November 1, 2020.

In 2020, the GDP of Dingjie County reached 550 million yuan; An increase of 11% year-on-year; Total investment in fixed assets reached 859 million yuan; Total retail sales of consumer goods reached 135 million yuan; The total rural economy reached 406 million yuan; The disposable income of rural residents reached 10,120 yuan, up 13.2% year on year; Local general public finance revenue reached 17.55 million yuan.
In October 2018, the People's Government of Tibet Autonomous Region officially approved the withdrawal of Dingjie County from poverty.