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.
Mianxian, a county under the jurisdiction of Hanzhong City, Shaanxi Province, is located in the south of Shaanxi Province, the western end of Hanzhong Basin, Qinling Mountains in the north, Nanyuan Ba Mountain, Juchuan, Shaanxi and Ganzhong. The county has jurisdiction over 19 towns and 242administrative villages, with an area of 2406 square kilometers and a total population of 428100 (2014). Mianxian County is rich in resources, unique biological resources, warm and humid climate, the largest tributary of the Yangtze River runs through the whole territory, the basin beads in the territory, and the forest coverage rate reaches 58%. Mianxian County, with large reserves and high grade of mineral resources, is located in the "Mianluoning" Golden Triangle and is praised as the "Ural" of Asia by geologist Li Siguang. It is an important metallurgical and chemical industry base in Hanzhong City, Shaanxi Province. September 25, 2018, won the honor of "2018 e-commerce into the rural comprehensive demonstration county" of the Ministry of Commerce.