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.
Xinglongtai District, which belongs to Panjin City, Liaoning Province, is located in the middle of Panjin City. The central area of the city is between 41 °05 Mel 41 °12'N and 121 °55 Mel 122 °11'E, with a total area of 267 square kilometers. Xinglongtai District is the seat of Panjin Municipal Government and Liaohe Oilfield organs. It is the only national ecological construction demonstration zone in northern China and an excellent tourist city in China. The area of wetlands in Xinglongtai accounts for 35% of the total area of the city. It is known as "important wetlands in the world" and "the most beautiful wetlands in China". In 2018, Xinglongtai District had 17 streets with a registered population of 439189, achieving a GDP of 35.29 billion yuan, of which the added value of the primary industry was 210 million yuan and that of the secondary industry was 12.06 billion yuan.