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.
Hubin District is located in the west of Henan Province, the south bank of the middle reaches of the Yellow River, and the junction of Henan, Shaanxi and Shanxi provinces. It is known as the "Yellow River Golden Triangle". There are Yuncheng, Luoyang, Zhengzhou, Xi'an and other large and medium-sized cities. The county-level administrative region approved by the State Council in 1986, under the jurisdiction of Sanmenxia City, is the political, economic and cultural center of Sanmenxia City. Across the Yellow River from the north and Pinglu County in Shanxi Province, the Yellow River and Qinglong Jianhe are surrounded by the Yellow River in the west, north and south, the shape if the peninsula, and the name Lakeside because of its proximity to the Sanmenxia Reservoir. The total area of the lakeside area is 164 square kilometers. It has jurisdiction over 3 townships, 48 administrative villages and 7 streets. By 2016, the total population of the region was 332200, of which the urban population was 265000. On September 20, 2019, he won the honor of a national model greening unit.