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.
Chaoyang County, which belongs to Chaoyang City, Liaoning Province, is located in the west of Liaoning Province, in the middle and upper reaches of Daling River, bordered by Nanpiao District and Lianshan District of Linghai City and Huludao City in the east and southeast, and adjacent to Jianping, Kazuo and Jianchang in the west and southwest, and bordered by Beipiao and Aohan Banner in Inner Mongolia Autonomous region. It is 109.1 km long from north to south and 76.2km wide from east to west. With a total area of 3757 square kilometers (2013), there are 13 towns and 13 townships under its jurisdiction, with a population of 562628 (2013). In 2013, Chaoyang County achieved a GDP of 146600 yuan. Chaoyang County has split ravines, Nulur Hushan Nature Reserve, Qingfengling and other famous scenic spots.