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.
Huangnan Tibetan Autonomous Prefecture, an autonomous prefecture under the jurisdiction of Qinghai Province, is located in the southeast of Qinghai Province, named because it is located in the south of the Yellow River; the terrain is high in the south and low in the north, belonging to the continental climate of the plateau. The state has a total area of 18200 square kilometers and has jurisdiction over four counties with a total population of 274200 in 2017. Huangnan Tibetan Autonomous Prefecture is rich in tourism resources. The main natural and cultural landscapes are: Cambra National Forest Park in Jianzha County, Lijiaxia Power Station Dam and reservoir area scenery, historical and cultural city of colleagues, Rigong Art and income Guinness World Records large-scale scroll painting "Grand View of Color painting of Chinese Tibetan Culture and Art", Tibetan Buddhist temple Longwu Temple, Nanzong Nigu Temple, Maixiu primitive Forest scenery, Zeku and Rishi Sutra Wall, Henan Shenghu Fairy Cave and Qingnan grassland scenery, etc. In 2017, Huangnan Tibetan Autonomous Prefecture