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.
Xiajin County, which belongs to Dezhou City, Shandong Province, gets its name from "the important Jin of the Qi-Jin Union". It is located in the northwest plain of Shandong and the junction of Shandong and Hebei provinces. Texas in the north, Liaocheng in the south and the Beijing-Hangzhou Grand Canal in the west. As of 2018, Xiajin County has jurisdiction over 10 towns, 2 townships, 1 street and 1 provincial development zone, 314 communities, with a total area of 882square kilometers, cultivated land of 900000 mu and a resident population of 519600 at the end of 2018. Xia Jin is called "Yancheng" in ancient times, which has a history of more than 2200 years. Deshang Expressway, Qingyin Expressway, National Highway 308, Provincial Highway 254 and 315 crisscross, running through the whole territory of Xiajin County. Xiajin County has a total area of 128000 mu of original ecological forest resources along the old route of the Yellow River, which is a national AAAA tourist scenic spot, a national forest park and a national holiday.