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.
Huachi County, which belongs to Qingyang City, Gansu Province, is located in the east of Gansu Province and northeast of Qingyang City, bordering Zhidan, Wuqi and Dingbian in Shaanxi Province in the northeast, and Huanxian, Qingcheng and Heshui in the southwest. It is located between longitude 107 °29 "108 °33" east and latitude 36 °07 "36 °51 'north. It has jurisdiction over 4 towns and 11 townships, with a total land area of 3776 square kilometers and a total population of 138000 (resident population in 2016). In 2013, the GDP of Huachi County reached 9.2 billion yuan. Huachi County has been awarded as "National Scientific and technological Progress County", "National Advanced County in surveying and Mapping Management", "Provincial double support Model County", "Provincial Greening Model County", "Provincial civilized County" and "Provincial Health County" by the state and province. December 2016, listed as the third batch