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.
Lingyuan is located in the west of Liaoning Province, hosted by Chaoyang City at the prefecture level. Named after the birthplace of the Daling River, it is located at the confluence of Liaoning, Hebei and Inner Mongolia provinces (regions). It is an important traffic contact city connecting the two major urban agglomerations of Beijing and Shenyang and connecting the hinterland of Inner Mongolia and the coastal port. It is 435 kilometers away from Shenyang, 371 kilometers away from Beijing and 150 kilometers away from Qinhuangdao. Lingyuan is a part of the hills and mountains of western Liaoning, with vertical and horizontal gullies and overlapping mountains. The terrain is high in the northwest and low in the southeast. The city has a total area of 3278 square kilometers and a population of 651000 (2016). It has jurisdiction over 9 townships, 13 towns and 8 streets. In 2018, Lingyuan achieved a full-caliber regional GDP of 15.58 billion yuan in 2018, an increase of 0.2% over 2015 at comparable prices. Niuheliang Red found in its territory