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.
Puyang City, a prefecture-level city in Henan Province, is located in the northeast of Henan Province, the lower reaches of the Yellow River, the junction of Hebei, Shandong and Henan provinces, Jining City and Heze City in Shandong Province in the east and south, Liaocheng City and Tai'an City in Shandong Province in the northeast, Handan City in Hebei Province in the north, Anyang City in Henan Province in the west, and Xinxiang City in Henan Province in the southwest. Puyang City is a national historical and cultural city with a total area of 4188 square kilometers, with jurisdiction over Puyang County, Qingfeng County, Nanle County, Fan County, Taiqian County and Hualong District. It has a national economic development zone, an industrial park and a demonstration area for the integration of urban and rural areas. it is an important national commodity grain production base and one of the main grain, cotton and oil producing areas in Henan Province.