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.
Huayin, which belongs to Weinan City, Shaanxi Province, is famous for its Xiyue Huashan, located in the east of Guanzhong Plain, the combination zone of Qin, Jin and Henan provinces, Tongguan in the east, Huazhou District in the west, Qinling Mountains in the south and Weishui River in the north, between latitude 34 °19 °22 "- 34 °40 °00" and longitude 109 °54 "- 110 °12 °13" east, with a total area of 817 square kilometers. Huayin set up cities in the Spring and Autumn period and bought counties in the warring States period. It has a history of more than 2300 years. Since ancient times, it has been known as "the main roads of the three Qin dynasties and the thoroughfares of eight provinces". It is a necessary place for the Central Plains to go to the northwest. Approved by the State Council in December 1990, it is one of the four county-level cities in Shaanxi. In 1993, it was named as a famous historical and cultural city by the Shaanxi provincial government. Huayin City is the birthplace of Yang's family in the world.