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.
Gaogang District is under the jurisdiction of Taizhou City, Jiangsu Province. It is located in the southern half of Taizhou City, bordering the Yangtze River, Hailing District of Taizhou City in the north, Jiangyan District and Taixing City in the east, Jiangdu District of Yangzhou City in the west, and Yangzhong City in the south. The central coordinates of the city are 32 °1906 "north latitude and 119 °52" 33 "east longitude. Gaogang District has a total area of 286.83 square kilometers and a total population of 262905 (by the end of 2012). Gaogang District has jurisdiction over 4 townships, 3 subdistrict offices and 1 provincial high-tech industrial park. Gaogang District is the southern gate of downtown Taizhou and the birthplace of the Navy of the Chinese people's Liberation Army. In the Gaogang area, there are the Yangtze River Port Taizhou Port, the South-to-North Water diversion Project and the Taizhou Yangtze River Bridge. In October 2019, he was selected as the national science and technology in 2019.