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.
Dongxing District, which belongs to Neijiang City, Sichuan Province, is located in the central and southern part of Sichuan Basin and on the east bank of the middle reaches of the Tuojiang River. Dongxing District is bordered by Rongchang District to the east, Daan District and Longchang City to the south, Shizhong District to the west, and Zizhong County and Anyue County to the north. Chengdu-Chongqing Railway, Guangzhou-Chengdu Highway (National Highway 321) and Xiamen-Rong Expressway (G76) cross the border, 153km from Chengdu and 146km from Chongqing, with a total area of 1180.58 square kilometers. Dongxing District was once known as the "Sweet City" because of its rich sugar cane and developed sugar industry, and also known as the "hometown of calligraphy and painting" because of the emergence of the eldest son of Gongsun, the master of traditional Chinese painting Zhang Daqian, Zhang Shanzi, and the "news magnate" Fan Changjiang. At the end of 2019, Dongxing District has jurisdiction over 5 streets and 14 towns.