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.
Heshan, a county-level city in charge of Jiangmen City, Guangdong Province, is located in the hinterland of the Pearl River Delta in the south of Guangdong Province, facing Nanhai District and Shunde District in the east, Gaoming District in the north, Pengjiang District and Xinhui District in the south, and Kaiping City and Xinxing County in the west. 325 National Highway, Jianghe Expressway, Fokai Expressway and Jiangzhao Highway run through the city. One of the famous hometown of overseas Chinese in China. Heshan was founded as a county in the tenth year of Emperor Yongzheng of the Qing Dynasty (1732). It was named because there are mountains in the city that look like cranes. After the founding of the people's Republic of China, it was jointly known as Gaohe County with Gaoming County, and the organizational system of Heshan County was restored in 1982. In November 1993, the county was withdrawn and established as a city, under the jurisdiction of 10 towns, 22 community committees, 137 village committees and 10 immigrant villages in the three Gorges Reservoir area. Heshan City has won "80 well-off counties (cities)" and "one of the top 100 counties with national comprehensive strength".