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.
Kaiyuan City, Tieling City, Liaoning Province, under the jurisdiction of county-level cities, is located in the northeast of Liaoning Province, east of the middle reaches of Liao River, hilly area. As of 2014, Kaiyuan had jurisdiction over 3 streets, 11 towns and 6 townships. As of 2014, the total area of Kaiyuan City is 3164 square kilometers, and as of 2010, the total population of Kaiyuan City is 545600. Kaiyuan is an excellent tourist city in China and one of the birthplaces of Errenzhuan in Northeast China. With abundant rainfall and fertile land, Kaiyuan is a national key grain-producing area and commodity grain base. In 2011, Kaiyuan ranked 76th among the top 100 counties in the country, and ranked among the top 10 in the first national top 100 counties' satisfaction rating. "Ten reform and innovation demonstration counties and cities in China, ten most suitable counties and cities for entrepreneurship, ten counties and cities with the most core competitiveness" and "small and medium-sized cities in China"