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.
Pinghe County (ancient Pinghe County, Zhangzhou Capital), under the jurisdiction of Zhangzhou City, Fujian Province, is located in the southwest of Zhangzhou, connected with Fujian and Guangdong provinces and eight counties, known as the "thoroughfare of eight counties". There are Fuzhao Expressway, Yunping Expressway (under construction), 207 Provincial Highway, 309 Provincial Highway and other trunk lines. In ancient times, Pinghe was the city of Yangzhou, Zhou was the land of seven Min, and Ming Zhengde bought a county in the thirteenth year of Ming Zhengde (1518), meaning "Keping and human harmony". The key hometown of overseas Chinese and the ancestral place of Taiwan compatriots in Fujian Province is not only an economically underdeveloped county, but also a coastal economic open county; Pinghe County is also one of the key hometown of overseas Chinese in Fujian Province, but also one of the important ancestral places of Taiwan compatriots; the former central Soviet area county and the province's key old base county. Pinghe County has an area of 2328.6 square kilometers, ranking first in Zhangzhou. Under the jurisdiction of 16 townships (farms), 240