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.
Nanjiang County, under the jurisdiction of Bazhong City, Sichuan Province, is located on the northeast edge of Sichuan Province. It covers an area of 3382.8 square kilometers, has jurisdiction over 27 towns and 21 townships, and has a resident population of 612500 in 2017. Nanjiang County has a long history, with a history of 1500 years. Emperor Liang Wudi of the Southern Dynasty usually bought Nanjiang County for six years (525 years). It is famous because "the river is difficult to wade". Western Wei Gongdi two years (555 years) changed to Pandao County. The Northern Zhou Dynasty relocated Nanjiang County, Yuan to Yuan 20 years (1283) into Huacheng County. Ming Zhengde 11 years (1516) reset, renamed Nanjiang County, named after the Nanjiang River in the south of Micang Mountain. Nanjiang County is a national key county for poverty alleviation and development, the first batch of national pilot demonstration counties for the construction of main functional areas, a national demonstration area for ecological protection and construction, and a comprehensive national new type of urbanization.