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.
Zhenyuan County belongs to Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province, 190 kilometers away from Kaili City, the capital of Guizhou Province, located in the Wuling Mountain area in the east of Guizhou Province, is a slope zone of transition from Guizhou Plateau to Xiangxi hills, Xinhuang, Hunan, bordering Sansui and Jianhe to the south, Shiqian, Tongren City to the north, is the east gate of Guizhou Province, known as "the lock key of Yunnan and Chu, the gateway to eastern Guizhou". It belongs to the humid climate zone of the middle subtropics, with an annual average temperature of 16.6 ℃, a frost-free period of 292 days, an annual precipitation of 1057 mm, and annual sunshine hours of 1200 hours. Zhenyuan County has a total area of 1878 square kilometers and has jurisdiction over 12 townships (towns), 110 administrative villages, 5 communities and 4 neighborhood committees, with a total population of 259000, of which 99000 are from 22 ethnic minorities, including Miao, Dong and Tujia, accounting for the total.