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.
Lingao County, which belongs to Hainan Province, is located in the northwest of Hainan Island. Lingao County is located in the northwest of Hainan Island, located at 19 °34 degrees north latitude, 20 °02 degrees east longitude, 109 °3 degrees east longitude. It is bordered by Chengmai County to the east, Danzhou City to the southwest, Beibu Gulf to the northwest, Qiongzhou Strait to the north, and Leizhou Peninsula across the sea. The county government is stationed in Lincheng City, 83 kilometers away from the provincial capital Haikou City. The territory is 34 kilometers wide from east to west and 47 kilometers from north to south. The administrative area covers an area of 1317 square kilometers. The county seat is 82 kilometers away from the provincial capital Haikou. It has jurisdiction over 10 towns, 1 farm (Calais Farm), 2 development zones (Golden Port Economic Development Zone, Lingaojiao Tourism and Holiday Development Zone), 176village committees and 880 natural villages with a population of 515000 (as of 2018).