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.
Jingyuan County, which belongs to Baiyin City, Gansu Province, is located in the upper reaches of the Yellow River, the central and eastern part of Gansu Province, the hinterland of Baiyin City, bordering Haiyuan County of Ningxia Hui Autonomous region in the east and Huining County of Gansu Province in the south. The southwest, northwest and northeast are respectively connected with the Shapotou District of Yuzhong County, Jingtai County and Zhongwei City of Ningxia Hui Autonomous region, the west is bordered by Baiyin District of Baiyin City, and the Pingchuan District of Baiyin City is divided into two. Form two opposite parts of the north and the south. It is 120km from east to west and 135km from north to south, with a total area of 5809.4 square kilometers. Jingyuan County is a famous historical and cultural city in the west and a major cultural county in Gansu Province, which brings together multi-cultures such as Yellow River culture, Silk Road culture, farming culture, folk culture and red culture, forming a unique local culture. Cultural relics at all levels are protected in the territory.