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.
Jishishan Baoan Dongxiang Salar Autonomous County, which belongs to Linxia Hui Autonomous Prefecture of Gansu Province, is the only multi-ethnic autonomous county in Gansu Province. it is located in the southwest of Gansu Province, at the eastern foot of Xiaojishi Mountain in the northwest corner of Linxia Prefecture, between longitude 120 °41 east and latitude 35 °34, bordering Linxia County in the southeast, Xunhua Salar Autonomous County in Qinghai Province in the west, and Minhe County in Qinghai Province in the north. The northeast and Yongjing County are bounded by the Yellow River, with a width of about 33 kilometers from north to south and 37 kilometers from east to west, with a total area of 909.97 square kilometers. As of 2011, Jishishan Baoan Dongxiang Salar Autonomous County has jurisdiction over 4 towns, 13 townships, 145 administrative villages, 6 communities and 1296 village groups, with a total population of 25. 5%.