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.
Chenggu County, belonging to Hanzhong City, Shaanxi Province, is located in the hinterland of Hanzhong Basin in southern Shaanxi, with the southern foot of Qinling Mountains to the north, the northern slope of Nanpingba Mountain to the north, and the Hanjiang River in Zhongna to the north. Between longitude 107 °30 'east longitude and 32 °45km north latitude, the terrain is north-south long (average length 101km), east-west narrow (average length 42km), with a total area of 2265 square kilometers. Chenggu, which has been established under the county system in the Qin Dynasty for more than 2300 years, is a "famous historical and cultural city" in Shaanxi Province. It is the life and burial place of Li Gu, a famous diplomat, explorer and pioneer of the Silk Road in the Western Han Dynasty, who is known as quot;, the mouthpiece of quot; Beidou. There are 437 scenic spots, cultural landscapes and cultural sites in the territory, including Tibetan.