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.
Jinchuan District, under the jurisdiction of Jinchang City, is located at the eastern end of Hexi Corridor in Gansu Province, the north of Jinchang City, the northern foot of Longshou Mountain, and the southern edge of Alashan platform, between longitude 101 °3440 "- 102 °3426" east and latitude 38 °2130 "- 39 °000030" north. It is bordered by Minqin County in the north and east, Yongchang County in the south, Alashan right Banner in Inner Mongolia Autonomous region in the northwest and Shandan County in the west, with a total area of 3019.14 square kilometers. Jinchuan District has jurisdiction over 2 towns, 6 streets, 27 administrative villages, 16 urban communities and 27 rural communities, with a total population of 231900 (2014), including 208700 non-agricultural people and 27 ethnic groups. In 2012, the region achieved a gross domestic product (GDP) of 191.