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.
Changtai County (ancient Changtai County, Zhangzhou Capital) Zhangzhou County, Fujian Province, is located in the central junction of the Golden Triangle in southern Fujian, the lower reaches of the Jiulong River Estuary. Between 24 °33 degrees north latitude 24 °54 miles north, 117 °36 degrees east longitude 117 °57'. It connects Xiamen to the east, Zhangzhou Taiwan Investment Zone to the south, Hua'an and Zhangzhou to the west, and Anxi County, Quanzhou to the north. Provincial Highway 212 is connected with National Highway 324, National Highway 319 and Fuzhao Expressway. The Eagle-Xiamen Railway connects Changtai Railway Station with the national railway network. Longjin River Channel from Wu'an to Guokeng, Shima. The unique geomorphological structure of Changtai County can block the cold current in winter and typhoon in summer. Changtai County is a typical suburban county, a pilot county for comprehensive development of mountainous areas in China, a demonstration county for ecological construction in China and advanced environmental protection in Fujian Province.