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.
Zezhou County, which belongs to Jincheng City, Shanxi Province, was originally a suburb of Jincheng City, but it was changed to its present name in 1996. Located in the southeastern tip of Shanxi Province, the southernmost part of Taihang Mountain, the intersection of Shanxi and Henan provinces, since ancient times is the key point of Sanjintong to the Central Plains, known as "Hedong Pinghan, southern Hebei Xiong Town". Zezhou County, Jincheng City, Shanxi Province, surrounds the urban area of Jincheng City, adjacent to Gaoping City, Jincheng City in the north, Lingchuan County, Jincheng City in the east, Yangcheng and Qinshui County in Jincheng City in the west, and Jiyuan and Jiaozuo in Henan Province in the south. It is 62.75km wide from east to west and 58.85km from north to south, with a total area of 2023 square kilometers and an area of 725000 mu of cultivated land, accounting for about 1.2 per cent of the total area of Shanxi. It has jurisdiction over 14 towns, 3 townships, 633 administrative villages, 140000 households and 526000 people (2008), of which the agricultural population is 45.