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.
Ziyang County, which belongs to Ankang City, Shaanxi Province, is located in the south of Shaanxi Province, the upper reaches of the Han River, the northern foot of Daba Mountain, Hanbin District and Langao County in the east, Zhenba County in the west, Chengkou County and Wanyuan City in the south, and Hanyin County in the north. The total area is 2204 square kilometers between longitude 108o 06m / m 108 °43m east and latitude 32 °08m / m 32 °49' north. Ziyang County is named after Zhang Pingshu (No. Ziyang), founder of the Southern School of Taoism. Ziyang has convenient transportation, Xiang-Chongqing Railway and Baomao Expressway pass through the country, and have successively won the reputation of "hometown of selenium Valley", "Gallery of Hanjiang River", "hometown of Chinese Folk Art" and "hometown of Folk songs", known as "hometown of tribute Tea". In 2018, Ziyang County has jurisdiction over 17 towns with a resident population of 286700, achieving a GDP of 10.365 billion.