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.
Yongde County belongs to Lincang City, Yunnan Province, which controls the Nanting River in the east and strangles the Nujiang River in the west. It is surrounded by Gengma County, Zhenkang County, Longling County, Shidian County, Changning County, Fengqing County and Yun County. Yongde County was analyzed in 1963. The county has a Dedang town, so it is named Yongde. The area is 71.5km wide from east to west and 75.8km from north to south, with a total area of 3296 square kilometers, with mountainous areas accounting for 95 per cent. Yongde County has jurisdiction over 3 towns and 7 townships (including 2 ethnic townships), living in 22 ethnic groups, including Han, Yi, WA, Brown, Dai, Lisu and Lahu, with a total population of 369700 (2010). The climate of Yongde County generally belongs to the valley monsoon climate with the confluence of the south subtropics and the north tropics. The terrain is high in the southeast and west, tilting to the north, shaped like mulberry leaves. Although the surface of the county is inclined and relatively broken, it is suitable for tillage.