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.
Zhoukou City, a prefecture-level city under the jurisdiction of Henan Province, is located in the southeast of Henan Province, located in the hinterland of Huang-Huai Plain, Fuyang City, Anhui Province to the east, Luohe City and Xuchang City to the west, Zhumadian City to the south, and Kaifeng City and Shangqiu City to the north. Zhoukou Special area was established in 1965 (later changed to Zhoukou area). Zhoukou City was revoked with the approval of the State Council in 2000. By the end of 2018, Zhoukou City had jurisdiction over two districts, seven counties and one county-level city, with a total area of 11959 square kilometers and a resident population of 8.6778 million. Zhoukou traffic extends in all directions, highway, railway, waterway transport intertwined into a network, forming a highway, railway, waterway trinity traffic pattern. The Shaying River has been a navigable channel since ancient times, with two major wharves of Zhoukou and Liuwan, which enter the Huaihe River and join the Yangtze River. Sand