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.
Machun District, which belongs to Jiaozuo City, Henan Province, is located in the northwest of Henan Province and northeast of Jiaozuo City. Taihang in the north and the Yellow River in the south. Ma Village has a total area of 122 square kilometers. Among them, the area of cultivated land is 6133.33 hectares. The total population is 140000 (at the end of 2012), of which the rural population is 68000, with a natural population growth rate of 4.46 ‰. In 2013, the gross domestic product of Macun area reached 1.33 billion yuan. Machun District has more than 10 places of interest, of which the Zhaozhanggong site is a Longshan cultural site and the Guicheng village site is a late ancient Yangshao cultural site, all of which are provincial cultural relics protection units.