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.
Yajiang County, which belongs to Ganzi Prefecture of Sichuan Province, is located in the south of Ganzi Tibetan Autonomous Prefecture of Sichuan Province, with latitude 29 °03 in north and 101 °26 in longitude in east, Kangding County in the east, Muli County in Liangshan Prefecture in the south, Litang County in the southwest, Daofu County and Xinlong County in the north. Yajiang County was once one of the important ferries of the Yalong River. Yajiang County is located in the hilly mountainous area of northwest Sichuan, high in the north and low in the south, and extremely alpine landform in the southwest, more than 5000 meters above sea level. By the end of 2011, Yajiang County had an area of 7681.5 square kilometers and had jurisdiction over 4 districts, 1 town, 16 townships, 113 administrative villages, 1 community and 128 village groups, with a total population of 49474 at the end of 2011. In 2011, Yajiang County achieved a GDP of 5.24.