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.
Hejing County belongs to Bayingol Mongolia Autonomous Prefecture of Xinjiang. Located in central Xinjiang, northwest of Bayingoleng Mongolia Autonomous Prefecture, with beautiful mountains and rivers, Qifeng stacked on top of each other and pleasant climate, it is a populous county of Bayingol Mongolia Autonomous Prefecture. Hetong County was established in 1939 and changed to Hejing County in August of the same year. In 1965, under the care of Premier Zhou Enlai, Hejing County was changed to Hejing County. Hejing has a long history and culture. From 3000 years ago, ancient humans lived and propagated from the Western Zhou Dynasty to the Spring and Autumn period. In 1771, the Mongolian Turhute completed the last national migration in human history-to settle down and settle down from the Volga River Valley in Russia, and the culture of returning to the east has been inherited and developed by the Mongolian people from generation to generation. Hejing County is also an important place for the spread of the Mongolian "Jianger" epic.