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.
Turpan, a prefecture-level city under the jurisdiction of Xinjiang Uygur Autonomous region, located in the middle of the autonomous region, is an olive-shaped intermountain basin in the east of Tianshan, surrounded by mountains on all sides, belonging to a typical continental warm temperate desert climate; it has jurisdiction over one district and two counties with a total area of 69713 square kilometers and a total population of 637300 in 2017. Located in the hinterland of Eurasia, Turpan is the gateway to Urumqi and an important transportation hub for the new Silk Road and Eurasian Continental Bridge. Lanxin Railway and Nanjiang Railway meet here and form a three-dimensional transportation system of "highway, railway and aviation" with Turpan airport and G30 line. It has the location and convenient transportation advantages of "connecting north and south, east to west, west to east", and realizes the regional economic integration of Wutu.