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.
Tongxu, known as Xianping in ancient times, has a long history and culture, and now belongs to Kaifeng, the ancient capital of the seven dynasties. Tongxu County is located in the middle and east of Henan Province, the middle and lower reaches of the Yellow River, belonging to the eastern plain of Henan Province. The topography is high in the west and low in the east, high in the north and low in the south, tilting from northwest to southeast. It faces the Yellow River to the north, Songshan Shaolin to the west, Shangqiu, the important town in the east of Henan Province to the east, Zhoukou, a famous historical city to the south, 80 kilometers to the northwest from the provincial capital Zhengzhou, and 40 kilometers to the north to Kaifeng, the ancient capital. Located in the core area of the construction of the national strategic Central Plains Economic Zone, it is the route of Hengxiang railway in the planning. Tongxu County has jurisdiction over six towns and six townships, with a width of 30.5km from east to west and 34.8km from north to south, with a total area of 766.22 square kilometers. It is a part of the Huang-Huai Plain formed by the impact to the south of the Yellow River. The soil area of the county is 963742 mu.