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.
Pingan District is one of the two municipal districts of Haidong City, Qinghai Province. Pingan County, named after Ping an Station in 1979, was changed to Pingan District in February 2015. It was the capital of Haidong District from 1979 to 2013. After Haidong was relocated and established in 2013, it is still the temporary residence of Haidong City. Ping'an District is located in the east of Qinghai Province, in the hinterland of Haidong city center, at 101 °49km east longitude and 36 °15 north latitude & #39;, faces Ledu District of Haidong City in the east, Xining City and Huangzhong County in the west, Hualong County in the south and Huazhu County in the north. By 2014, it had jurisdiction over 3 towns and 5 ethnic townships, with a total area of 769 square kilometers and a total population of 127515, mainly Han nationality, as well as 17 ethnic minorities, including Hui, Tibetan and Turkish. 2013, Ping