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.
Dawu County, which belongs to Xiaogan City, Hubei Province, is located on the border between Hubei and Henan in the northeast of Hubei Province, the southwest section of the Dabie Mountains, 48.8km from north to south and 42.2km from east to west, with a total area of 1985.71 square kilometers. Dawu County, formerly known as Lishan County, was founded in 1933 and renamed Dawu County in 1952. It is the hinterland of the old revolutionary base area of Hubei, Henan and Anhui. Zhou Enlai, Dong Biwu, Li Xiannian, Xu Qian and other party and state leaders left battle footprints in Dawu, and it was also the hometown of Li Yuanhong, the great president of the Republic of China. In 2018, Dawu County has jurisdiction over 14 towns and 3 townships. In 2017, Dawu County had a total population of 632012, with a gross domestic product (GDP) of 14.07977 billion yuan, of which the primary industry was finished.