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.
Changji Hui Autonomous Prefecture, referred to as "Changji Prefecture", belongs to Xinjiang Uygur Autonomous region, located at the northern foot of Tianshan Mountains, southeast edge of Junggar Basin, high in the south and low in the north, tilting from southeast to northwest, belonging to a typical continental arid climate; with a total area of 73900 square kilometers, it has jurisdiction over two county-level cities, four counties and one autonomous county; the total population in 2017 is 1.406 million. Changji Hui Autonomous Prefecture in Xinjiang was once the only road leading to Central Asia and Europe from the New North Road of the ancient "Silk Road". It has been the throat of the western region and the barrier of northern Xinjiang since ancient times, and it is an important part of the core area of the Silk Road Economic Belt in Xinjiang. North Xinjiang Railway, National Highway 312, National Highway 216, Provincial Highway 115 and Tuwu High-grade Highway run through the whole territory. At the same time, Changji Prefecture is also a worker to promote the intellectual property strategy of small and medium-sized enterprises.