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.
Zhongning County belongs to Zhongwei City, Ningxia Hui Autonomous region. It is located in the middle of Ningxia and the southern end of Ningxia Plain, between 105 degrees 26 minutes east longitude-106 degrees 7 minutes and 37 degrees 9 minutes-37 degrees 50 minutes north latitude. Located on both sides of the Yellow River, it is the transitional zone between the Inner Mongolia Plateau and the Loess Plateau, belonging to the continental monsoon climate zone of the north temperate zone. Litong District and Qingtongxia City in the east, Zhongwei City in the west, Tongxin County in the south, and Alashan left Banner in Inner Mongolia in the north. The county is about 50 kilometers wide from east to west and 60 kilometers from north to south, with a total area of 4226.5 square kilometers and a total population of 336100 (2013). The government is stationed in Ning'an Town. Zhongning County is located in the confluence of two tourist routes from Yinchuan to Liupanshan and from Yinchuan to Shapotou. It is a "dry wharf" running through the northwest and the collection and distribution of the flow of people, logistics and information.