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.
Luchun County is under the jurisdiction of Honghe Prefecture. Formerly known as "six villages", when the county was founded in 1958, Zhou Enlai personally named it Lvchun according to the characteristics of "green mountains and green waters, like spring all the year round". Luchun County is located in the south of Yunnan Province, in the southwest of Honghe Prefecture, bordering Yuanyang and Jinping counties in the east, Honghe County in the north, Mojiang County in the northwest, Lixianjiang County and Jiangcheng County in the southwest, and the Socialist Republic of Vietnam in the southeast. It is 312 kilometers away from the estuary border port and 132 kilometers away from the Jinshui River port. The provincial highway S214 passes through the county seat. By the end of 2012, Luchun County covers an area of 3096 square kilometers and has jurisdiction over one town and eight townships; the registered population is 233249, and the population of ethnic minorities is 230161, accounting for 98.7% of the registered population.