Phoenix (/ˈfiːnɪks/ FEE-niks; Navajo: Hoozdo; Spanish: Fénix or Fínix,[citation needed] Walapai: Banyà:nyuwá) is the capital and most populous city of the U.S. state
of Arizona, with 1,608,139 residents as of 2020. It is the fifth-most populous city in the United States, and the only U.S. state capital with a population of more than one million residents.
Phoenix is the anchor of the Phoenix metropolitan area, also known as the Valley of the Sun, which in turn is part of the Salt River Valley. The metropolitan area is the 11th largest by population in the United States, with approximately 4.85 million people as of 2020. Phoenix, the seat of Maricopa County, has the largest area of all cities in Arizona, with an area of 517.9 square miles (1,341 km2), and is also the 11th largest city by area in the United States. It is the largest metropolitan area, both by population and size, of the Arizona Sun Corridor megaregion.
Gaotang County, which belongs to Liaocheng City, Shandong Province, is located in the northwest of Shandong Province, adjacent to Yucheng City and Qihe County in Texas in the east, Linqing City and Xiajin County in the west, Chiping County in the south and plain county boundary in the north, covering an area of 960 square kilometers and a population of 500000. Gaotang County is 70 kilometers east of Jinan International Airport, and Gaotang Railway Station is built through the border. It is more than 50 kilometers away from Liaocheng Station and Linqing Station of Beijing-Kowloon Railway, and 60 kilometers each from Dezhou Station of Beijing-Shanghai Railway. It is convenient to "get on the train in 20 minutes, board the plane in one hour and enter the capital to the port in four hours." Qingyin Expressway and Shandong West Outer Ring Highway pass through the county. The terrain in Gaotang is gentle and the land is fertile, and in the east there are