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.
Changyi District, which belongs to Xi'an City, Shaanxi Province, formerly known as Huan County and Huxian County, is located in the southwest of Xi'an, Qinling Mountains in the south and Weihe River in the north, with a total area of 1282 square kilometers. It is one of the three deputy central cities of Xi'an international metropolis, 18 kilometers away from the main city of Xi'an, and is located in Xi'an "half-hour economic circle". As of March 2019, Changyi District has jurisdiction over 8 streets, 6 established towns and a scenic spot management bureau. On November 24, 2016, the State Council approved the revocation of Huxian County and established Xi'an City's Fengyi District. On September 9, 2017, Qianyi District was officially unveiled as the 11th district of Xi'an. It is the hometown of modern Chinese folk painting, Chinese poetry, national civilized county, national health county and national go. 2018, Changyi District