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.
Yunmeng County, which belongs to Xiaogan City, Hubei Province, is an important part of Wuhan city circle. It is located in the east-central part of Hubei Province and the northeast of Jianghan Plain, between longitude 113o 37 & #39;~113 °52 & #39;, 30 °45 & #39;~31 °12 & #39. Between, an area of 604 square kilometers, is a subtropical monsoon climate zone, as of 2018, Yunmeng County under the jurisdiction of 9 towns and 3 townships, resident population of 536800 (2017), the government stationed in Chengguan Town No. 1 Quyang Road. Yunmeng got its name from the water. Yunmeng County was built in the 16th year of the Western Wei Datong (550 years), with a history of more than 1400 years. Chengguan, the residence of the county government, was once the other capital of Chu, the forbidden court of the Qin Dynasty, and the county rule of the Han and Jin dynasties.