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.
Sandu Shui Autonomous County, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located in the southeast of Qiannan Buyi and Miao Autonomous Prefecture. It is the only Shui Autonomous County in China. It is located in the hinterland of "Moon Mountain and Leigong Mountain". It is bordered by Rongjiang River and Leishan in the east, Libo in the south, Dushan and Duyun in the west, and Liandanzhai in the north, 230km away from the provincial capital Guiyang, with a total area of 2400 square kilometers. In 2009, the county has a total population of 314700, of which 304700 are ethnic minorities and 202400 are aquarium, accounting for 64.8% of the total population. National Highway 321 and Guiyang-Guangzhou high-speed railway run through the county, which is one of the important channels for southwestern provinces to go to sea, and it is also a national karst forest reserve of Guilin, Guiyang and Kunming Dazhang River.