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.
Dachuan District, under the jurisdiction of Dazhou City, Sichuan Province, is located in the south of the main urban area of Dazhou City, and is located in the connecting zone of parallel ridges and valleys in the east of Sichuan Basin, hilly areas in the middle of the basin and low mountain areas around the basin. The general trend of topography is high in the northwest and low in the southeast, belonging to the mid-subtropical monsoon humid climate type; it has jurisdiction over 2 streets, 29 towns and 25 townships, with a total area of 2245 square kilometers, with a total population of 1.118 million at the end of 2017. Dachuan District has a long history and profound cultural heritage. There are a large number of historical celebrities, such as Chun Shenjun, one of the four princes of the warring States, Sima Yuan Zhen of Tongzhou in the Tang Dynasty, Wei Chengfang of the Ministry of officials in the Ming Dynasty, Tang Zhen, an outstanding thinker in the Qing Dynasty, and so on. Unique location and convenient transportation. Dachuan, as the joint of Sichuan, Chongqing, Hubei and Shaanxi, is located in the radiation center of the four major cities of Chengdu, Chongqing, Xi'an and Wuhan.