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.
Zhenfeng County, which belongs to Qianxinan Prefecture, Guizhou Province, is located in the southwest of Guizhou Province, with Zhenning Buyi and Miao Autonomous County and Wangmo County in the east, Anlong County and Ceheng County in the south, Xingren County in the west and Guanling Buyi and Miao Autonomous County in the north. It has jurisdiction over 6 towns and 7 townships, with a total area of 1511 square kilometers and a population of 410000 (2012). Zhenfeng County was founded in the Tang Dynasty during the period of Zhenguan, there are Shuangrufeng and other scenic spots. In 2013, Zhenfeng County completed a GDP of 6.257 billion yuan, an increase of 16.9% over the same period in 2012. In March 2019, it was on the list of the first batch of revolutionary cultural relics protection and utilization districts and counties. In November 2019, Zhenfeng County was named as the national demonstration county of "Sihao Rural Road".