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.
Guzhen County, which belongs to Bengbu City, Anhui Province, is located in the northeast of Anhui Province, on the north bank of the middle reaches of the Huaihe River, adjacent to the outskirts of Bengbu to the south, Tuohe River to the north and Lingbi County to the north, Wuhe County to the east, Huaiyuan County to the southwest, and Changqiao District of Suzhou to the northwest; the topography is a sloping plain, located in the transition zone between subtropical and warm temperate zones; the total land area is 1363 square kilometers. Guzhen County has a long history. Liu Bang, the ancestor of the Han Dynasty, set up Guyang County here, and the relics still exist; during the Taihe period of the Northern Wei Dynasty, Guyang Town was changed to Guyang Town, which later evolved into a solid town; in the first 202 years, the famous "Battle of Guxia" took place in Guzhen, which opened the foundation of the Han Dynasty for 400 years, leaving touching stories such as "besieged on all sides" and "Farewell my Concubine". "Guxia site" was listed as a national key cultural relic protection unit; archaeologists discovered 4.