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.
Suixi County belongs to Huaibei City, Anhui Province. It is located in the north of Anhui Province, bordering Changqiao District of Suzhou City in the east, Mengcheng County and Huaiyuan County in the south, Woyang County in the west, Yongcheng City in Henan Province in the northwest and Huaibei City in the north. Suixi County has a total area of 1987 square kilometers and a registered population of 1.1295 million (2018). It has jurisdiction over 11 townships and provincial-level Mianxi Economic Development Zone, Suixi Wuhu Modern Industrial Park, and the county government is stationed at 92 Tuohe Road, Suixi Town. Suixi County is an important county in the Central Plains Economic Zone, Huaihai Economic Zone and Xuzhou Economic Circle, known as "Jiuxiang Coal City, Central Plains Granary, Energy Capital, Canal hometown". In October 2017, it was named as the National Garden County by the Ministry of Housing and Construction. On October 22, 2018, he was selected for the integration of the primary, secondary and tertiary industries in rural areas in 2018.