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.
Danzhou City is a prefecture-level city in Hainan Province. Danzhou City is located in the northwest of Hainan, bordering on the Beibu Gulf, 130km north to Haikou, the provincial capital, and 280km south to Sanya City; it has jurisdiction over 16 towns, a total of 275village committees and 1431 natural villages; the land area is 3400 square kilometers, accounting for 1x10 of the province; the total registered population is 945400 (2016); and the coastline is 267km long. Danzhou City is the economic, transportation, communication and cultural center of western Hainan. Hainan Yangpu Economic Development Zone, Chinese Academy of Tropical Agricultural Sciences and Danzhou Campus of Hainan University (formerly South China Tropical Agricultural University) are all in its territory. Danzhou City has successively won the "National Agricultural Top 100 City", "National Sanitary City", "National Civilization demonstration City", "National Garden City" and "National Garden City".