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.
Bortala Mongolia Autonomous Prefecture, referred to as "Bozhou", belongs to Xinjiang Uygur Autonomous region. "Bortala" is Mongolian, meaning "silver grassland". It is located on the northwest edge of Xinjiang Uygur Autonomous region and in the hinterland of Eurasia. the mountains on the west, north and south are continental arid climate in the north temperate zone. With a total area of 27000 square kilometers, it has jurisdiction over 2 county-level cities and 2 counties. The total population in 2018 is 478509. Bordering Kazakhstan, Bozhou has a border of 372 kilometers. It is an important connecting point at home and abroad and a key point for import and export of goods in the "middle channel" of the Silk Road Economic Belt. The second Eurasian Continental Bridge runs through the whole territory. The China-Kazakhstan oil pipeline and the second line of the west-east natural gas pipeline pass through the border. It is the confluence of two major traffic arteries and two ports, National Highway 312 and Provincial Highway 219 and Jingyihuo.