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.
Chaoyang District (Teoyall), China's Millennium Ancient County, Shantou City, Guangdong Province. Chaoyang bought the county in the first year of Longan in the Eastern Jin Dynasty (AD 397), and the ancient dynasties were subordinate to the Chaozhou capital. Chaoyang District is located in the southeast of Guangdong Province, bordering the South China Sea, and is called Chaoyang because it is located in the north of the sea. In April 1993, the county was withdrawn and established as a city (at the county level). In March 2003, Chaoyang City at the county level was abolished, and Chaoyang District and Chaonan District were divided into Chaoyang District and Chaonan District, which were placed under the jurisdiction of Shantou City. Chaoyang District is the old revolutionary base of Hai Lufeng, which has jurisdiction over 4 streets, 9 towns and 272 villages (communities), with an area of 665.74 square kilometers, of which the urban area is 21 square kilometers. The coastline is 84.6 km long, the outer coastline is 21.3 km, and the inner coastline is 63.3 km. The total population is 1.8086 million, overseas Chinese and Hong Kong, Macao and Taiwan