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.
Sansui County is located in the east of Guizhou Province and belongs to Qiandongnan Miao and Dong Autonomous Prefecture. It is located between 108 °32 east longitude and 109 °04 'north latitude, 27 °04' north latitude, adjacent to Xinhuang Dong Autonomous County in Hunan Province in the northeast, Tianzhu and Jianhe counties in the southeast and southwest, and Zhenyuan County in the north. As one of the eastern exits of Guizhou Province, it is known as "Qiandong Fortress" and "Qianli Miaojiang Gateway". The county has jurisdiction over 7 towns, 2 townships, 159 villages and 5 residential communities, with a total area of 1035.8 square kilometers and a total population of 221907 (2013). The county people's government is stationed in Bagong, 87 kilometers away from the state capital Kaili and 247 kilometers away from the provincial capital Guiyang. Sansui has superior natural endowment and is the "hometown of Chinese Folk Bamboo Weaving Art" named by the Ministry of Culture, 1972.