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.
Zhijin County is located in the west of central Guizhou-the economic core area of central Guizhou. It is the lower county of Bijie City, Guizhou Province, Dafang County and Qianxi County of Bijie City to the north, Qingzhen City of Guiyang City and Pingba District of Anshun City to the east, Xixiu District of Anshun City to the southeast, Puding County of Anshun City to the south, Liuzhi Special Zone of Liupanshui City to the southwest, and Nayong County of Bijie City to the west. Zhijin County is located in the triangle zone of the confluence of the Liuchong River and Sancha River, a tributary of the Wujiang River. The county seat is 157km away from the provincial capital Guiyang and 144km from Bijie; the lowest elevation is 860m, the highest elevation is 2262 m, and the county seat elevation is 1310 m; the annual average temperature is 14.1 ℃, the annual rainfall is 1436 mm, the annual sunshine is 1172 hours, and the frost-free period is 327d, which belongs to subtropical monsoon climate. Zhijin County has jurisdiction over 6 streets, 16 towns, 3 townships and 7 ethnic groups.