Oklahoma City (/oʊkləˌhoʊmə -/ (listen)), officially the City of Oklahoma City, and often shortened to OKC, is the capital and largest city of the U.S. state of Oklahoma. The county seat of Oklahoma County, it ranks 20th among United States cities in population, and is the 8th largest city in the Southern United States. The population grew following the 2010 census and reached 687,725 in the 2020 census. The Oklahoma City metropolitan area had a population of 1,396,445, and the Oklahoma City–Shawnee Combined Statistical Area had a population of 1,469,124, making it Oklahoma's largest municipality and metropolitan area by population.
Oklahoma City's city limits extend somewhat into Canadian, Cleveland, and Pottawatomie counties, though much of those areas outside the core Oklahoma County area are suburban tracts or protected rural zones (watershed). The city is the eighth-largest in the United States by area including consolidated city-counties; it is the second-largest, after Houston, not including consolidated cities. The city is also the second largest by area among state capital cities in the United States, after Juneau, Alaska.
Longting District, one of the municipal districts of Kaifeng City, Henan Province, is located in the west of Kaifeng City, named for the famous site of the Imperial Palace in the Northern Song Dynasty. The area is bordered by Zhengzhou Kaifeng in the west, the Yellow River in the north, Xiangfu District, Shunhe District and Gulou District in the east, and Xiangfu District in the south. The area has a total area of 345 square kilometers and a total population of 360000 (2016). The district government is stationed at 16 Sports Road, Wu Chaomen Street. There are many lakes and ponds in Longting District, and there are Liuchi and Yellow River beaches outside the city. The north-south direction of the Huangbian River flows through the area to communicate with Longting Lake, which is the main channel for sewage discharge and waterlogging prevention; the north branch river in the city flows through the area, and Pan and Yang Lake in front of Longting have a long history. It is the 15th year of Chongzhen of the Ming Dynasty (1642), and the Yellow River gap is formed by filling the city with water. Longting District is a famous cultural tourism scenic spot in Kaifeng.