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.
Yitong Manchu Autonomous County, which belongs to Siping City, Jilin Province, is the only Manchu Autonomous County in Jilin Province. "Yitong" is a Manchu transliteration, derived from the name of Yitong River, which means "grand, surging river". Yitong Manchu Autonomous County is located in the middle of Jilin Province, the upper reaches of Yitong River, the south of the provincial capital Changchun, Shuangyang District of Changchun City in the east, Panshi City in the southeast, Dongfeng and Dongliao counties in the south, Lishu County in the southwest, Gongzhuling City in the southwest and the suburbs of Changchun in the north. The territory is 76 kilometers from east to west, 66 kilometers from north to south, and covers an area of 2523 square kilometers. It was first promoted to Yitong Prefecture in the eighth year of Guang Xu (1882) and Yitong Zhili Prefecture in the first year of Xuantong (1909). In 1913, the state was withdrawn and the county was established. On August 30, 1988, Yitong County was abolished and established.