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.
Guanghan, a county-level city under the jurisdiction of Sichuan Province, is hosted by Deyang City. Known as Hanzhou in ancient times, also known as Yancheng, it is the first pilot county (city) in Sichuan to expand its power. It is 18 kilometers north of Jingyang District of Deyang City and 24 kilometers south of Chengdu City. It is located at the western foot of Longquan Mountains in the northeast of Chengdu Plain. Guanghan belongs to the humid climate zone in the middle subtropical zone of Sichuan Basin; it has jurisdiction over 9 townships and 3 streets with a total area of 538 square kilometers and has a registered population of 604000 in 2017. Guanghan is located in the core area of the hinterland of "the land of abundance". Since ancient times, it has been said that "the gate of Yizhou, the main thoroughfare of Shu province and the way to Beijing" is the north gate of Chengdu. Sanxingdui site in Guanghan is an ancient Shu cultural site about 5000 to 3000 years ago, which is regarded as one of the greatest archaeological discoveries of mankind in the 20th century, indicating the Yangtze River valley and the Yellow River.