• Oklahoma City
  • Tongguan County

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.

Tongguan County, which belongs to Weinan City, Shaanxi Province, is located at the eastern end of Guanzhong Plain in Shaanxi Province. It is bordered by Lingbao City, Henan Province in the east, Huayin City in the west, Luonan County in the south, Dali County in the northwest, and Ruicheng County in Shanxi Province across the Yellow River in the north. It is between longitude 110o 090032 "- 110o 25027" east and latitude 34o 230033 "- 34o 390001" north, with a total area of 526 square kilometers. In 2018, Tongguan County had a resident population of 154200, with a regional gross domestic product (GDP) of 4.035 billion yuan, of which the added value of the primary industry was 484 million yuan, the secondary industry was 1.446 billion yuan, the tertiary industry was 2.104 billion yuan, and the primary, secondary and tertiary industries accounted for 12.0% and 35.8% of the GDP, respectively.
Travel Notes In Tongguan County