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.
Xinlong County, which belongs to Ganzi Tibetan Autonomous Prefecture of Sichuan Province, is located in the middle of Ganzi Prefecture in Sichuan Province and the southeast edge of Qinghai-Tibet Plateau. It belongs to the contact zone between West Sichuan Mountain Plain and Hengduan Mountains. Xinlong County is connected with Luhuo County and Daofu County to the east, Yajiang County and Litang County to the south, Baiyu County to the west, Ganzi County to the north, Dege County to the northwest, and latitude 30 °23 to 31 °32 'and longitude 99 °37 to 100 °54' east. The terrain of Xinlong County is high in the north and low in the south. The highest elevation is 5992 meters and the lowest point is 2760 meters above sea level. Ganzi Xinlong Highway to the north of Xinlong County is connected with National Highway 317 via 100 kilometers. By the end of 2013, Xinlong County has an area of 9182.74 square kilometers and has jurisdiction over 1 town, 18 townships and 1 street office, with a total population of 49833. 2013