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.
Zhongning County belongs to Zhongwei City, Ningxia Hui Autonomous region. It is located in the middle of Ningxia and the southern end of Ningxia Plain, between 105 degrees 26 minutes east longitude-106 degrees 7 minutes and 37 degrees 9 minutes-37 degrees 50 minutes north latitude. Located on both sides of the Yellow River, it is the transitional zone between the Inner Mongolia Plateau and the Loess Plateau, belonging to the continental monsoon climate zone of the north temperate zone. Litong District and Qingtongxia City in the east, Zhongwei City in the west, Tongxin County in the south, and Alashan left Banner in Inner Mongolia in the north. The county is about 50 kilometers wide from east to west and 60 kilometers from north to south, with a total area of 4226.5 square kilometers and a total population of 336100 (2013). The government is stationed in Ning'an Town. Zhongning County is located in the confluence of two tourist routes from Yinchuan to Liupanshan and from Yinchuan to Shapotou. It is a "dry wharf" running through the northwest and the collection and distribution of the flow of people, logistics and information.