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.
Xingan, which belongs to the Inner Mongolia Autonomous region, is located in the northeast of Inner Mongolia, connected with Heilongjiang Province in the northeast, Jilin Province in the southeast, Tongliao City in the south, Xilingol League and Hulunbuir City in the south, west and north, respectively. The northwest is bordered by Mongolia and the border is 126 kilometers long. The alliance is 380km long from north to south and 320km wide from east to west, with a total area of 59806 square kilometers. Xingan gets its name because it is located in the middle of the Daxing'an Mountains, and "Xing'an" means hills. By the end of 2018, Xingan had jurisdiction over two county-level cities, one county and three banners, with a resident population of 1.6079 million and a regional gross domestic product (GDP) of 47.248 billion yuan, of which the added value of the primary industry was 15.418 billion yuan and that of the secondary industry was 13.682 billion.