Rongzhag (), also Danba () is a county of the eastern Garzê Tibetan Autonomous Prefecture in western Sichuan Province, China. The county seat is the town of Chaggo.
Law enforcement in the county is provided by the Danba County Public Security Bureau. It contains one traffic police unit and a police post in Gya'gyü Town.
The People's Armed Police Danba County Company provides paramilitary law enforcement and disaster relief in the county.
Firefighting and rescue duties in the county are provided by the Danba County Fire and Rescue Battalion.
Rongzhag County is divided into 9 towns and 2 townships:
Danba County is home to two National Priority Protected Sites: