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.
Suzhou, referred to as "Su" in ancient times, is an important part of the prefecture-level cities under the jurisdiction of Jiangsu Province and the Yangtze River urban agglomeration. Approved by the State Council, it is one of the national historical and cultural cities and scenic tourism cities, the national high-tech industrial base and one of the important central cities in the Yangtze River Delta. By 2018, the city had jurisdiction over five districts and four county-level cities in escrow, with a total area of 8488.42 square kilometers, a built-up area of 461.65 square kilometers, a resident population of 10.7217 million, and an urban population of 8.1539 million, with a urbanization rate of 76.05%. Suzhou is located in the southeast of Jiangsu Province and the middle of the Yangtze River Delta, facing Shanghai to the east, Jiaxing to the south, Taihu Lake to the west and the Yangtze River to the north, longitude 119 °55 to the east, 121 °20 to the north, latitude 3.