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.
Jianzha County is located in the southeast of Qinghai Province and in the north of Huangnan Tibetan Autonomous Prefecture. Most of Jianzha County is bounded by the Yellow River and Hualong County in the northeast, Xunhua County in the southeast, Guide County in the west and Tongren County in the south. The county is about 87 kilometers from north to south and 48 kilometers from east to west, with a total area of 1714 square kilometers. As of 2011, the total population was 54300, of which 40, 000 were ethnic minorities, with Tibetans accounting for about 62% of the total population. The county has jurisdiction over 3 towns and 6 townships. Jianzha County has profound religious and cultural accumulation, which is the birthplace of Tibetan Buddhism. Kambra National Geopark is famous for its "Danxia" scenery composed of red gravel. There are three major monasteries in the park: Nanzong Temple, Nigu Temple and Nanzongza Temple. It is the only religious place in Qinghai Province where monks, secrets and nuns coexist.