Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since 2010. Colorado Springs is the second-most populous city and the most extensive city in the state of Colorado, and the 40th-most populous city in the United States. It is the principal city of the Colorado Springs metropolitan area and the second-most prominent city of the Front Range Urban Corridor. It is located in east-central Colorado, on Fountain Creek, 70 miles (113 km) south of Denver.
Danba County, located in the east of Ganzi Tibetan Autonomous Prefecture, is the east gate of Ganzi Prefecture, bordered by Xiaojin County, Aba Prefecture in the east, Kangding City, the state capital in the south and southeast, Daofu County in the west, and Jinchuan County in Aba Prefecture in the north and northeast. Danba County is high in the west and low in the east, with an elevation of 1700rel 5521 meters. The county seat is located in Zhanggu Town on the banks of the Dadu River, 1800 meters above sea level, 137km away from Kangding, the prefecture, and 368km away from Chengdu. By the end of 2011, Danba County had an area of 5649 square kilometers and had jurisdiction over 14 townships, 1 town and 2 streets. at the end of 2011, the total population was 60279, with a natural population growth rate of 2.05 ‰. In 2011, Danba County achieved a GDP of 852 million yuan, an increase of 15.8% over 2010. Among them, the primary industry realized an increase.