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.
Ningqiang County is located in the southwest of Shaanxi Province, with Qinling Mountains in the north and Pillow Mountain in the south. The county has jurisdiction over 16 towns, 2 subdistrict offices and 200 administrative villages with a total population of 340000. Ningqiang is located in the confluence of the Qinling Mountains and the Bashan mountain system, with high in the southeast, low in the northwest and Wuding Mountain uplift in the middle. Ningqiang has abundant rainfall and humid air, and most areas have a warm temperate mountain humid monsoon climate with strong precipitation, with an annual precipitation of up to 1812.2 mm. Ningqiang County is a mountainous county with the confluence of the north and the south and the belt of Shu. It is the main gateway and golden passage from the northwest to the southwest. Baocheng, Yang'an Railway across the county, 108 National Highway, Western Han Expressway passing through; is the birthplace of the Han River, known as "the first city of the Han River" reputation, in November 2015 Ningqiang County was China