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.
Ganquan County belongs to the hilly and gully zone of the Loess Plateau in northern Shaanxi Province, which is located in the middle of Yan'an City, Shaanxi Province, with a semi-humid inland monsoon climate. The total area is 2284.7 square kilometers, the total area of cultivated land in the county is 609000 mu, and the forest and grass coverage rate is 78.4%, of which the forest coverage rate is 50.5%. Ganquan gets its name because of the spring water in the foothills of Shenlin, 5 kilometers southwest of the city, which is known as "the hometown of beautiful water". There is a history of the Western Zhou Dynasty, Qin home Diaoyin County, Northern Wei early home Linzhen County, Tang Wude first year home Fulu County, Tianbao first year changed to Ganquan County. Places of interest include the site of Qin Zhidao, the "Meishui Spring" given by Emperor Yang of the Sui Dynasty, the White Deer Temple built in the Tang Dynasty, the Millennium Ginkgo Tree, the ancient tombs of the Song Dynasty, and so on. In March 2019, it was listed as the first batch of revolutionary cultural relics protection and utilization district and county list.