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.
Liannan Yao Autonomous County is located in the northwest of Guangdong Province, north of the Tropic of Cancer, between latitude 24 °17 °16 "- 24 °56 °2" north and longitude 112 °2 °2 "- 112 °29 °1" east. It is bordered by Lianzhou City in the northeast, Yangshan County in the southeast, Huaiji County in the south, Lianshan Zhuang and Yao Autonomous County in the west, and Jianghua Yao Autonomous County in Hunan Province in the northwest. There are 71 village neighborhood committees in 7 towns (Sanjiang, Zhaigang, Damashan, Xiangping, Daping, Wushui, three rows). The county seat is located in Sanjiang Town. After the opening of National Highway 107, the county seat is 236 kilometers away from Guangzhou Highway and 120 kilometers away from Pingshi Railway Station. The Yao people live in 80% of the county, and there are Yao villages everywhere on the high mountains and mountains.