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.
Wanshan District, which belongs to Tongren City, Guizhou Province, is the main urban area of Tongren City. It is dominated by karst karst landforms and belongs to the mid-subtropical monsoon humid climate. In November 2011, the State Council approved the cancellation of Tongren City at the prefecture level and the establishment of Wanshan District. It now covers an area of 842 square kilometers with a total population of 270000 and has jurisdiction over 11 townships (towns and streets). With convenient transportation, Wanshan is an important transportation hub for Sichuan and Chongqing to reach the sea from the east, Shanghai and Hangzhou to the west to Guizhou and Yunnan, Beijing and Tianjin to the south to Guiqiong, Guangzhou and Shenzhen to the north to Shaanxi and Gansu. The three expressways of Shanghai, Kunming, Hangzhou and Rui pass through the border. Hunan-Guizhou Railway, Zhu-Liu double Line and Yu-Huai double Line are surrounded by three railways, reaching Tongren Railway Station, Tongren High-speed Railway Station and Zhusha Guzhen Station in 10 minutes, and Dalong, Yuping, Xinhuang Railway Station and Shanghai-Kunming High-speed Railway Station Tongren in 30 minutes.