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.
Nie Rong County is under the jurisdiction of Naqu City, Tibet Autonomous region, located in the northern part of the Tibet Autonomous region, the southern foot of Tanggula Mountain, located in the hinterland of the Qinghai-Tibet Plateau and on the border with Qinghai Province. The terrain is high in the northwest and low in the southeast. The average elevation is about 4700 meters. The territory has undulating mountains and vertical and horizontal gullies, some peaks in the northwest are covered with snow all the year round, the relative height difference between the central and southern peaks is large, and the low mountains and hills are scattered with valleys. Nie Rong County has jurisdiction over 1 district, 9 townships and 173 villages. It covers an area of 14540 square kilometers, of which the available grassland area is 18 million mu. The financial revenue of the county reached 1.2 million yuan in 2003, an increase of 53000 yuan over 2002, with a total population of 30, 000 (2003). On February 6, 2019, the people's Government of the Tibet Autonomous region decided to withdraw Nierong County from the poverty-stricken county.