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.
Hanyin County, which belongs to Ankang City, Shaanxi Province, is located in Qinba Mountain area in southern Shaanxi Province, adjacent to Hanbin District, Ziyang County, Shiquan County, Ningshan County and Zhenba County, Hanzhong City. Known in ancient times as Xicheng, Anyang, Hanning and Ankang, Tang Zhide has been named Hanyin for two years (AD 757). The county has jurisdiction over 10 towns and 141administrative villages, covering an area of 1365 square kilometers with a total population of 313000. Hanyin County is a national health county with beautiful mountains and rivers, Wufu people Yin, outstanding people, known as Ankang "hometown of fish and rice". Hanyin County is located in the hinterland of Qinba, with Qinling Mountains in the north, Bashan Mountain in the south, Fenghuang Mountain in the east and west, Hanjiang River and Yuehe River in the meantime, 316 National Highway and Yang'an Railway passing through. Except Yuehe River Road, most of them are shallow mountains and hills. The main rivers in the territory are Hanjiang River, Yuehe River,