Dege County, subordinate to Ganzi Tibetan Autonomous Prefecture of Sichuan Province, is located in the northwest of Ganzi Tibetan Autonomous Prefecture, between 98 ° 12 ′ - 98 ° 41 ′ E and 31 ° 24 ′ - 32 ° 43 ′ N, adjacent to Ganzi County in the east, Baiyu County in the south, Jiangda County in Tibet across the Jinsha River in the west, Shiqu County in the north, and the upstream of Jinsha and Yalong River. The total area of the county is 114.39 million square kilometers. The national highway 317 of Sichuan-Tibet Highway runs through the county and some districts and townships. The elevation of the Queershan Pass is 5050 meters, which is known as "the highest in Sichuan-Tibet and the first risk in Sichuan-Tibet". The county seat is 588 kilometers away from Kangding, the provincial capital, and 954 kilometers away from Chengdu, the provincial capital. The government is stationed in Gengqing Town. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Dege County was 88542.

Dege County is a county mainly engaged in animal husbandry. The famous scenic spots include Dege Sutra Printing Academy, the national key cultural relics protection unit, which is the first of the three Tibetan Buddhist scripture printing academies in China, and Ashu Grassland, the hometown of King Gesar.

On September 25, 2018, it was awarded the honorary title of "2018 Comprehensive Demonstration County of E-commerce in Rural Areas" by the Ministry of Commerce. In 2019, Dege County achieved a GDP of 149067 million yuan.

On February 18, 2020, the poor counties will be withdrawn.