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.
Duji District, which belongs to Huaibei City, Anhui Province, is located in the northeast of Huaibei City, between latitude 33 °58 / 34 °18'N and longitude 116 °41 / 116 °58'E. it is located at the junction of Xu (Zhou) and Huai (North) at the junction of Jiangsu, Shandong, Henan and Anhui, and is the center of Huaihai Economic Zone. Duji District covers an area of 230.2 square kilometers and has jurisdiction over 2 streets and 3 towns with a total population of 342000 (2018). In 2018, the annual GDP of Duji District reached 11.81 billion yuan. Duji District has Nanshan Scenic spot, Huaibei East Lake Wetland Park, Shuoxi Lake, Duanyuan Grape Town Scenic spot, Gaoyue Modern Agricultural demonstration Park and other scenic spots. The first batch of demonstration units for rural community construction across the country.