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.
Tonghai County, which belongs to Yuxi City, Yunnan Province, is located in the south-central part of Yunnan Province, on the lacustrine plain by Qilu Lake, bordering Huanning County in the east, Eshan County and Hongta District in the west, Shiping County and Jianshui County in Honghe Prefecture in the south, and Jiangchuan County in the north, with a total area of 721 square kilometers. The special geographical and natural conditions of Tonghai County have achieved the reputation of Tonghai as "famous state of etiquette and music", "Xiujia Nandian" and "Crown Nanzhou". In the Ming and Qing dynasties, there were more than 230 people, 44 Jinshi, and 4 were selected into the Imperial Academy. He has successively won the honorary titles of "Provincial Historical and Cultural City", "National Cultural relics Advanced County", "National Cultural Advanced County", "Chinese couplet Culture County", "hometown of Chinese Poetry" and so on. By 2018, Tonghai County had jurisdiction over 2 streets, 4 towns and 3 townships, with a resident population of 31. 5%.