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.
Lezhi County, which belongs to Ziyang City, Sichuan Province, is located in the middle of Sichuan Basin, on the watershed of Tuojiang River and Fujiang River, between latitude 30 °032 "- 30 °304" north and longitude 104 °45.2 "- 105 °15.2" east. It is adjacent to Anju District of Suining City to the east, Anyue County and Yanjiang District to the south, Jianyang City of Chengdu to the west, Jintang County of Chengdu, Zhongjiang County of Deyang City and Daying County of Suining City to the north; it is only 77 kilometers away from the provincial capital Chengdu. Lezhi County has a total area of 1425 square kilometers and has jurisdiction over 17 towns and 8 townships. In 2015, the registered population was 837602 (permanent population 515200). In 2015, the county's regional gross domestic product (gdp) reached 17.81 billion yuan, an increase of 8.9 percent over 2014. The terrain tilts from northwest to southeast.