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.
Saga County, which belongs to Xigaze City, Tibet Autonomous region, is located in the southwest of Tibet Autonomous region, northwest of Xigaze City, located in the northern foot of the Himalayas and the southwest edge south of the Gangdise Mountains. Saga County is one of the border counties with a length of 105 kilometers. It is the center of the three counties (Zhongba, Saga and Jilong) in the west of Xigaze City, bordered by Angren County and Nyalam County in the east, Jilong County and Nepal in the south, and Zhongba County in the west. The north is connected with Cuoqin County in Ali area. The upper reaches of the Brahmaputra River. The "219" national highway runs through the east and west of the county, and it is also the main road from Lhasa to Aripland. The county covers a total area of 25500 square kilometers and has jurisdiction over seven townships and one town and 38 administrative villages. The total population is 12600 (2003). The average elevation of the county is more than 4600 meters, and the climate is high and cold.