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.
Huazhou District, which belongs to Weinan City, Shaanxi Province, was called Zheng County, Xianlin and Wuxiang in ancient times, and was renamed Huaxian in 1913. It is located at the northern foot of Qinling Mountains, the east of Guanzhong Plain and the south bank of Weihe River, more than 70 kilometers away from the ancient capital Xi'an in the west and 29 kilometers away from Huashan, a national scenic spot in the east. Huayin City is bordered by Huayin City in the east, 23 kilometers away from Weinan District in the west, Qinling Mountains and Luonan County and Lantian County in the south, and Weihe River and Dali County in the north. Huazhou District covers an area of 1139.5 square kilometers, with a total population of 370000 (July 2018), and has jurisdiction over 1 street and 9 towns. In 2017, the GDP of Huazhou District reached 9.498 billion yuan, an increase of 8.7%. With Qinling Mountains in the south and Weihe River in the north, the terrain is high in the south and sandwiched in the middle, with an area of 410000 mu of arable land and mountains and highlands in the territory.