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.
Jingxian County, which belongs to Hengshui City, Hebei Province, is located in the southeast of Hebei Province, east of Hengshui City, close to Dezhou City, Shandong Province, the west bank of the Grand Canal, and is located in the economic development area around Beijing and Tianjin, around the Bohai Sea, and the triangle economic center of Beijing, Tianjin, Shijiazhuang and Jinan, with a total area of 1183 square kilometers and 1.25 million mu of arable land. It is a "Nanfang" economic region for Hebei Province to implement the strategy of "one line and two carriages" in the Eleventh five-year Plan. Since 2007, Jingxian has been named as "China Rubber and plastic Pipe Industry Base", "China Iron Tower Manufacturing Base" and "China forklift fork Manufacturing Base" by relevant national industry associations. In 2013, there were 3 national key cultural relics protection units in Jingxian County (Jingzhou Shili Pagoda, Feng's Tomb Group, Gao's Tomb Group) and 1 provincial key cultural relics protection unit (Zhou Yafu Tomb).