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.
Mizhi County, known as "Yinzhou" in ancient times, is located in the central and eastern part of Yulin City, Shaanxi Province, in the middle reaches of Wuding River. "its land has rice fat water, fertile soil should be millet, rice juice is like fat" and gets its name. Yuyang District in the north, Suide in the south, Jiaxian in the east, Hengshan and Zizhou in the west. It is 59 km long from east to west, 47 km wide from north to south, and the county covers an area of 1212 square kilometers. The total population of the county is 224000 (2017). National Highway 210 crosses 19 kilometers from north to south parallel to the Wuding River, and has jurisdiction over 13 townships. Mizhi County is the hometown of Jia Mi Donkey. Xibao Highway runs through the whole territory, including Li Zicheng Palace, Jiang Manor, Li Dingming Mausoleum and other places of interest. It is known as "Beauty County", "hometown of Culture", "hometown of Little Drama", "hometown of terraces" and so on. It was examined and approved by the Ministry of Civil Affairs in 2014.