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.
Huludao, a prefecture-level city of Liaoning Province, is located on the western coast of Liaoning Province, with a central geographical position of 120 °38` east longitude and 40 °56` north latitude, adjacent to Jinzhou in the east, Shanhaiguan in the west, Bohai Bay in the south and Chaoyang in the north. Dalian, Yingkou, Qinhuangdao, Qingdao and other cities constitute the Bohai Economic Circle, which is an important gateway for Northeast China to enter the customs. By the end of 2018, Huludao City has a total area of 10400 square kilometers, including 3 districts, 2 counties and 1 city, with a total population of 2.764 million. Huludao City, formerly known as Jinxi City, was upgraded to a municipality under the provincial government in 1989, with a continental monsoon climate in the north temperate zone; with mountains and seas, the terrain gradually decreased from northwest to southeast. There are Beijing-Harbin Highway, G1 Beijing-Harbin Expressway, Shenshan Railway and Beijing-Harbin Railway in Huludao.