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.
Ledu District, the seat of Haidong Municipal Government in Qinghai Province, was established on May 12, 1969, and the district government is located in Haidong Street. It is located on the south side of the Huangshui River in the northeast of Qinghai Province, adjacent to Pingan District of Haidong City in the west, Minhe County in the east, Qingsha Mountain in the south and Huazhu County in the north, 95 kilometers away from the provincial capital Xining City and 115 kilometers away from Lanzhou City, the capital of Gansu Province. The total area of the region is 3050 square kilometers, including 111 administrative villages and 7 communities. At the end of 2011, there were 15 ethnic groups, including Tibetan, Qiang, Tu, Han and Hui, with a population of 360200, with the Han nationality accounting for the majority. On September 25, 2018, he won the honorary title of "2018 e-commerce into rural comprehensive demonstration county" of the Ministry of Commerce. In October 2018, it won the national integration of the primary, secondary and tertiary industries in rural areas.