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.
Jinchang, a prefecture-level city under the jurisdiction of Gansu Province, is high in the south and low in the north, with mountains crisscross with flat rivers and Gobi oases, with a continental temperate arid climate, sufficient light and dry climate; it has jurisdiction over Jinchuan District and Yongchang County, with a total area of 9593 square kilometers; and the resident population is 469200 in 2017. Jinchang, located in the middle of Hexi Corridor, is an important node city of ancient Silk Road and one of the major cities of Hexi Corridor. Since ancient times, its natural conditions have been relatively harsh. Jinchang is one of the 110 key water-deficient cities and 13 resource-based water-deficient cities in China. It is also an area with fragile natural ecological environment in western China. Jinchang edge mining enterprise, because of the establishment of the city, because of the rich nickel is known as "the nickel capital of the motherland". In 2011, he won the title of "National Health City". In January 2014, the Ministry of Urban and Rural Construction ordered it.