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.
Xingtai, known as Xingzhou and Shunde in ancient times, is the prefecture-level city of Hebei Province, the northern gateway city of the Central Plains urban agglomeration and the important node city of the Beijing-Tianjin-Hebei urban agglomeration. By the end of 2018, the city had jurisdiction over 19 counties (cities and districts), with a total area of 12500 square kilometers, a resident population of 7.3744 million, and a regional GDP of 215.076 billion yuan. Xingtai is located in the south of Hebei Province, adjacent to Taihang Mountain and Shanxi Province in the west, the Grand Canal and Shandong Province in the east, Shijiazhuang and Hengshui in the north and Handan in the south. The territory of Beijing-Guangzhou Railway, Beijing-Kowloon Railway, Beijing-Guangzhou High-speed Railway, Beijing-Kowloon High-speed Railway,.