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.
Cengong County belongs to Qiandongnan Miao and Dong Autonomous Prefecture of Guizhou Province. It is located in eastern Guizhou, northeast of Qiandongnan Prefecture, between longitude 108 °20, longitude 109 °03', latitude 27 °09, latitude 27 °32', Yuping Dong Autonomous County of Tongren City in the east, Zhenyuan County of Qiandongnan Prefecture in the south, Shiqian County of Tongren City in the west, Jiangkou County and Tongren City in the north. To Kaili City, the capital of southeastern Guizhou, 154 kilometers, 335 kilometers away from Guiyang, the capital of Guizhou Province. It covers an area of 1486.5 square kilometers and has jurisdiction over 7 towns, 4 townships and 1 provincial economic and technological development zone. The county people's government is stationed in the emerging Economic Development Zone. The territory is inhabited by 18 ethnic groups, including Han, Miao, Dong, Gelao and Tujia, with a total population of 227900 (2012). Cen Gong is rich in high quality rice, fruit and flowers.