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.
Xinyu City, under the jurisdiction of Jiangxi Province (prefectural level), an important member of the urban agglomeration in the middle reaches of the Yangtze River, is located in the west-central part of Jiangxi Province, in the west of Zhejiang-Jiangxi Railway, 101.9 kilometers from east to west, 65 kilometers from north to south, 150km east from Nanchang, the provincial capital, Zhangshu City and Xingan County in the east, Yuanzhou District, Yichun City in the west, Qingyuan District, Anfu County and Xiajiang County in Ji'an City in the south, Shanggao County and Gaoan City in the north. Xinyu City has a total area of 3178 square kilometers. According to the geomorphological map of Jiangxi Province, the geomorphology of Xinyu City belongs to the middle and low mountains and hilly areas of western Jiangxi. The basic landforms can be divided into six types: low mountains, high hills, low hills, hills, terraces and plains. Xinyu City has a subtropical humid climate with four distinct seasons, mild climate, sufficient sunshine, abundant rainfall, long frost-free period and short severe winter.