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.
Xiangxi Tujia and Miao Autonomous Prefecture, which belongs to Hunan Province, is the only minority autonomous prefecture in the province. It is located in the northwest of Hunan Province, between longitude 109 °10 "110 °22.5" east and latitude 27 °44.5 "29 °38 'north. It is located at the junction of Hunan, Hubei, Guizhou and Chongqing. Xiangxi Miao Autonomous region was established in August 1952, changed to Xiangxi Miao Autonomous Prefecture in 1955, and Xiangxi Tujia and Miao Autonomous Prefecture was established in September 1957. It has jurisdiction over 7 counties and 1 city, covering an area of 15462 square kilometers. Xiangxi is a subtropical monsoon humid climate with obvious continental climate characteristics. In 2016, the resident population was 2.636 million. Among them, the urban population is 1.1351 million, the rural population is 1.5009 million, and the urbanization rate is 43%.