Danba County, located in the east of Ganzi Tibetan Autonomous Prefecture, is the east gate of Ganzi Prefecture, bordering Xiaojin County of Aba Prefecture in the east, Kangding City, the capital of the prefecture in the south and southeast, Daofu County in the west, and Jinchuan County of Aba Prefecture in the north and northeast. Danba County is high in the west and low in the east, with an altitude of 1700-5521 meters. The county seat is located in Zhanggu Town on the bank of Dadu River, with an altitude of 1800 meters, 137 kilometers from Kangding, the capital of the state, and 368 kilometers from Chengdu. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Danba County was 49872.

Danba County covers an area of 5649 square kilometers and has jurisdiction over 14 townships, 1 town and 2 streets. As of 0:00 on November 1, 2020, the permanent population of Danba County is 49872. On April 28, 2019, the Sichuan Provincial People's Government decided to withdraw Danba County from the poverty county sequence. In 2020, Danba County will achieve a GDP of 2.121 billion yuan, an increase of 2.5%, and achieve 100% of the target tasks, an increase of 44.9% over 2015.