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.
Wanning City, which belongs to Hainan Province, is located on the southeast coast of Hainan Island, longitude 110.39 °E, latitude 18.8 °N, South China Sea to the east, Qiongzhong to the west, Lingshui to the south and Qionghai to the north. Wanning City has a total urban area of 4443.6 square kilometers, including a land area of 1883.5 square kilometers and a sea area of 2550.1 square kilometers. At the end of 2017, Wanning had a resident population of 573600. In 2017, Wanning achieved a regional gross domestic product (GDP) of 20.39 billion yuan. In November 2013, Wanning City won the title of "hometown of world longevity". In March 2019, it was selected into the list of the first batch of revolutionary cultural relics protection and utilization districts and counties. ...