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.
Hongsibao District, Wuzhong City, Ningxia, formerly known as Hongsibao Development Zone, is the second municipal district of Wuzhong City, Ningxia Hui Autonomous region. It is the main battlefield of the National large Water Control Project-Ningxia Poverty Alleviation and Yellow River Irrigation Project ("1236" Project). It is the largest ecological poverty alleviation and immigration concentration area in China. Hongsibao District of Wuzhong City was established with the approval of the State Council in September 2009. the administrative area covers an area of 2767 square kilometers. as of 2013, it has jurisdiction over 2 towns, 3 townships, 1 street, 61 administrative villages and 2 urban communities, with a total population of 179390. Among them, the Hui population accounts for 61% of the total population. Hongsibao District is located between Yanbing Mountain, Daluo Mountain and Niushou Mountain, facing Yanchi to the east, Zhongning to the west, concentric to the south, Litong District and Lingwu to the north, about 80 kilometers from east to west and 40 kilometers from north to south.