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.
Weiyuan County belongs to Dingxi City, Gansu Province. Weiyuan County is located in the middle of Gansu Province, the central and western part of Dingxi City, 174km away from the provincial capital Lanzhou and 55 km away from Longhai Railway Longxi Station. The geographical coordinates are 104 °02km east longitude and 35 °07km north latitude, with a total area of 2065 square kilometers. As of 2011, Weiyuan County has jurisdiction over 8 towns and 8 townships, a total of 3 communities, 217 administrative villages and 1536 village groups, with a total population of 351700, mainly Han nationality, and ethnic minorities are Hui, Tibetan, Manchu and Mongolian, accounting for less than 1% of the total population. In 2011, the gross domestic product (GDP) of Weiyuan County reached 1.61171 billion yuan, an increase of 12.8% over 2010.