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.
Chongyang County, located in the south of Hubei Province, at the junction of Hunan, Hubei and Jiangxi provinces, is an important part of Wuhan city circle. The ground span is between 29 °12 °N and 29 °41'N and 113 °43 °E and 114 °21'E. Tongshan in the east, Tongcheng and Xiushui in Jiangxi Province in the south, Tongcheng and Linxiang in Hunan Province in the west, Chibi and Xianan in the north. The county is 61 kilometers from east to west and 52 kilometers from north to south, with a land area of 1968 square kilometers, equivalent to 2.952 million mu. Chongyang County has jurisdiction over 8 towns and 4 townships. In 2016, the population of Chongyang County was 530000, including 397400 in rural areas and 140000 in cities and towns. In 2001, Chongyang County was named "hometown of Chinese Folk Art" by the Ministry of Culture. In 2008, Chongyang Violin Opera was named the second batch of countries.