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.
Changyuan City, directly under the jurisdiction of Henan Province and hosted by Xinxiang City, is located in the northeast of Henan Province, between longitude 114o 29 & # 39th east longitude 114o 59 & # 39th longitude, latitude 34 °59 & # 39min 35 °23 & # 39mm, with a total area of 1051 square kilometers. At the end of 2018, the total population of Changyuan City was 880000. By 2019, Changyuan has jurisdiction over 5 streets, 11 towns, 2 townships and 1 provincial high-tech industrial park, and the municipal government is stationed at 368 Renmin Road, Puxi Street. In 221 BC, the first city of Qin was changed to Changyuan County. In August 2019, Changyuan was approved by the State Council to set up a city, which will be administered by Xinxiang City directly under the provincial jurisdiction. Changyuan City has a warm temperate continental monsoon climate. Changji Expressway and Da-Guang Expressway meet; Provincial Highway 308 and 213 pass through the border.