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.
Gaoling District, which belongs to Xi'an City, Shaanxi Province, is located in the hinterland of Guanzhong Plain in Shaanxi Province, in the north of Xi'an City. Founded in the 12th year of Qin Xiaogong (350 BC), it is located in the Guanzhong Plain, on both sides of the Jinghe River and the Weihe River. Lintong District in the east, Weiyang District and Baqiao District in the south, Weicheng District, Sanyuan County and Jingyang County in Xianyang City in the west, and Yanliang District in the north, which is known as "cabbage heart" in Guanzhong. As of 2017, Gaoling District covers an area of 294square kilometers, has jurisdiction over 3 towns, 3 streets and 2 administrative committees, and has a registered population of 339200 (resident population 357000). In 2017, the region's GDP reached 37.71 billion yuan. There are ancient cultural relics such as Tang Zhaohui Pagoda, Li Sheng Stele and Dongwei Bridge site in Gaoling.