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.
Ledu District, the seat of Haidong Municipal Government in Qinghai Province, was established on May 12, 1969, and the district government is located in Haidong Street. It is located on the south side of the Huangshui River in the northeast of Qinghai Province, adjacent to Pingan District of Haidong City in the west, Minhe County in the east, Qingsha Mountain in the south and Huazhu County in the north, 95 kilometers away from the provincial capital Xining City and 115 kilometers away from Lanzhou City, the capital of Gansu Province. The total area of the region is 3050 square kilometers, including 111 administrative villages and 7 communities. At the end of 2011, there were 15 ethnic groups, including Tibetan, Qiang, Tu, Han and Hui, with a population of 360200, with the Han nationality accounting for the majority. On September 25, 2018, he won the honorary title of "2018 e-commerce into rural comprehensive demonstration county" of the Ministry of Commerce. In October 2018, it won the national integration of the primary, secondary and tertiary industries in rural areas.