The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With 8,472 square miles (21,940 km2) and a population of more than 2.2 million people, it is the second-largest metropolitan area centered in Missouri (after Greater St. Louis) and is the largest metropolitan area in Kansas, though Wichita is the largest metropolitan area centered in Kansas. Alongside Kansas City, Missouri, these are the suburbs with populations above 100,000: Overland Park, Kansas; Kansas City, Kansas; Olathe, Kansas; Independence, Missouri; and Lee's Summit, Missouri.
Yongcheng, Shangqiu City, Henan Province, escrow county-level city, Yongcheng is located in the easternmost part of Henan Province, located in the junction of Henan, Shandong, Jiangsu and Anhui provinces, known as "the gateway to the east of Henan". Yongcheng has a total area of 2020 square kilometers and a cultivated land area of 1.8 million mu. As of 2018, Yongcheng has jurisdiction over 25 towns and 4 townships, and the municipal government is located in the north of people's Square in the middle of Dongfang Avenue. By the end of 2018, Yongcheng had a total population of 1.576 million and a resident population of 1.2388 million. Yongcheng gets its name because the city has been repeatedly beaten by water, which means "the city of eternity". During the Anti-Japanese War, it was the seat of the provincial party committee of the Henan-Anhui-Soviet Border region of the Communist Party of China during the Anti-Japanese War. In 1996, it was withdrawn from the county and set up a county-level city. In 2014, it became a river.