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.
Shuangta District, which belongs to Chaoyang City, Liaoning Province, is located in Chaoyang City in the west of Liaoning Province. It is located in the east of Nuluerhu Mountains and the western foot of Songling Mountains. It is a long pan in the Daling River Valley. It is the political, economic and cultural center of Chaoyang. It gets its name from the well-preserved North Pagoda of the Northern Wei Dynasty and the Southern Tower of the Tang Dynasty. Shuangta District is connected with the urban agglomeration in central Liaoning and the Liaodong Peninsula in the east, the Beijing-Tianjin-Hebei metropolitan area in the west, the Bohai Sea in the south and the hinterland of Inner Mongolia in the north. The center of geographical coordinates is 120 °27km east longitude and 41 °35 'north latitude. In 2015, Shuangta District has a total area of 500square kilometers and has jurisdiction over 4 townships (towns) and 11 streets with a total population of 404500. In 2015, the GDP of the whole region reached 13.33061 billion yuan.