• Oklahoma City
  • Tongjiang

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.

Tongjiang City belongs to Jiamusi City, Heilongjiang Province. Tongjiang City is located on the south bank of the confluence of Songhua River and Heilongjiang River in the northeast of Heilongjiang Province, between 132 °18 °32 "- 134 °7" 15 "east longitude and 47 °25 °47"-48 °17 °20 "north latitude. Fuyuan City is bordered by Fuyuan City in the east, Fujin City and Raohe County in the south, Songhua River and Suibin County in the west, and the Russian Jewish Autonomous Prefecture in the north. The border is 170 kilometers long. With a total area of 6300 square kilometers, it has jurisdiction over 6 towns, 2 townships and 2 nationality townships, with 6 state-owned farms and a total population of 211609 (2015). Tongjiang City is the main settlement of Hezhe nationality, one of the "six small" ethnic groups in China, and it is the starting point at the northern end of the "Tongsan" highway, which runs through the main artery of China's north-south highway. Within the territory
Airport In Tongjiang - Jiamusi Dongjiao Airport
Jiamusi Dongjiao International Airport (Jiamusi Dongjiao International Airport, IATA: JMU, ICAO: ZYJM), located on Chang'an East Road, Dongfeng District, Jiamusi City, Heilongjiang Province, China, 10 kilometers away from Jiamusi City, is a 4C-level military-civilian joint international feeder airport   .
Jiamusi Dongjiao International Airport was founded in 1932. Its predecessor was Jiamusi Station of Civil Aviation of China established in 1958. On December 10, 2009, Jiamusi Dongjiao Airport's first-class air port was officially opened to the public, and the airport became an international airport.   .
According to the official website of the airport in February 2021, Jiamusi Dongjiao International Airport has a terminal area of ​​5,728 square meters, a runway 2,500 meters long, and a width of 45 meters; the civil aviation station has 6 seats, which can park 5 C-class aircraft, B 1 class aircraft; it can meet the needs of annual passenger throughput of 300,000 passengers     .
In 2021, Jiamusi Dongjiao International Airport will handle a total of 805,700 passengers, a year-on-year increase of 21.7%; cargo and mail throughput will be 1,294.4 tons, a year-on-year increase of 0.4%; aircraft movements will be 6,968, a year-on-year increase of 20.6%.  
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