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.
Altay was the pastoral land of Chinese ethnic minorities in ancient times. According to historical records, the tribes who lived here in the Qin Dynasty were Sai people who moved from the Hexi Corridor in Gansu Province. Since the Western Han Dynasty, successive central governments have set up administrative organs here. "Altay" is Turkic, meaning "Jinshan". It gets its name because of the gold in the mountains. It is said that there are 72 ditches in the Altai Mountains. The Ertix River in Altay is the only river in China that flows into the Arctic Ocean. The Brento Sea, which is located in Fuhai County, covers an area of 100000 hectares and is rich in more than 10 kinds of fish, known as the "fishing hometown of the North". Altay mountains and rivers are magnificent and colorful, with unique natural scenery, the main scenic spots are Kanas Lake Nature Reserve, Burgen River Beaver Nature Reserve, Butterfly ditch and so on.