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.
Tongwei County, which belongs to Dingxi City, Gansu Province, is located in the middle of Gansu Province and on the east side of Dingxi City. It has a history of more than 2100 years since the third year of Yuan Ding of Han Dynasty (114 BC). Tongwei County, with a total area of 2908.5 square kilometers, has jurisdiction over 18 townships, 332 villages and 10 communities. The county government is stationed in Pingxiang Town, with a resident population of 407900 at the end of 2017. Tongwei County is located in the hilly and gully region of the Loess Plateau, with grass and livestock, corn, potatoes, traditional Chinese medicine, small grains, fruits and vegetables and other characteristic advantage industries. Tongwei County is "the hometown of Chinese calligraphy and painting", "the hometown of Chinese folk culture and art", "the hometown of Chinese calligraphy", "the hometown of Chinese poetry", "the advanced county of national sports" and "the advanced county of national grain production". In 2011, it was listed as a series of concentrated films in Liupanshan District by the state.