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.
Yuanzhou District, which belongs to Guyuan City, Ningxia Hui Autonomous region, is located in the south of Ningxia, the northeast foot of Liupan Mountain and the central and western part of the Loess Plateau. It lies between 105 °28 degrees east longitude and 106 °30 'east longitude and 36 °38 degrees north latitude. It is bordered by Pengyang County in the east, Jingyuan County in the south, Xiji County in the west, Haiyuan County and Tongxin County in the north, and Huanxian County and Longde County in Gansu Province in the northeast and southwest, respectively. With a total area of 2739.01 square kilometers, it has jurisdiction over 3 streets, 7 towns and 4 townships. As of 2017, the total number of registered households in Yuanzhou District is 156100, and the total registered population is 464800. In 2017, Yuanzhou District achieved a GDP of 11.766 billion yuan, exceeding 11 billion yuan for the first time. September 2017