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.
Longcheng District is under the jurisdiction of Chaoyang City, Liaoning Province, located between longitude 120 °14 "120 °37" east and latitude 41 °26 "41 °42 'north. It is located in the west of Liaoning Province, surrounded by Shuangta District, bordered by Chaoyang County in the northwest and southwest, and adjacent to Beipiao City in the northeast. As of 2013, Longcheng District has jurisdiction over 5 streets, 4 towns, 2 townships, 63 administrative villages and 14 communities. The region has a total social area of 641.45 square kilometers and a total population of 210000, of which the agricultural population is 130000, accounting for 72.2% of the total population of the region. The main scenic spots in Longcheng District are "Sanyan" South Gate site of Miyagi, Wangba Gaizi site, Yongchang Desheng Temple and so on.