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.
Yeji District belongs to Lu'an City, Anhui Province, with a central location of 115 °93m 15 "east longitude and 31 °86m 92" north latitude. It is located at the junction of Henan and Anhui provinces, connected by the Dabie Mountains and Jinzhai County in the south, adjacent to Jianghuai Plain and Huoqiu County in the north, Lu'an City and Hefei City in the east, and Xinyang City in Henan Province in the west. It is known as "the gate of the Dabie Mountains" and "the west gate of Anhui". Ye Ji District of Lu'an City was established with the approval of the State Council on October 13, 2015. it was officially established on February 28, 2016. it has jurisdiction over 6 township streets, including Yaoli Town, Hongji Town, Sanyuan Town, Sun Gang Township, Pinggang Street and Shihe Street, with an area of 568 square kilometers and a total population of 270000. In 2016, the region's gross domestic product (GDP) reached 5.416 billion yuan, calculated at comparable prices.