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.
Suide County, located in the north of Shaanxi Province, southeast of Yulin City, is located in the hilly and gully region of the Loess Plateau in northern Shaanxi. Suide County has jurisdiction over 4 townships and 12 towns and 661 administrative villages, with a total population of 359500 (2016). Suide has a long history and a collection of humanities, formerly known as "Shangjun Guyi". It is known as "famous state in the world", "famous state in Qin and Han Dynasty" and "dry wharf" in northern Shaanxi. In March 2019, it was listed as the first batch of revolutionary cultural relics protection and utilization district and county list. On May 7, 2019, the people's Government of Shaanxi Province approved Suide County to withdraw from the sequence of poor counties.