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.
Siping, a prefecture-level city in Jilin Province, is located in the central hinterland of Songliao Plain and at the junction of Liao, Jilin and Mongolia provinces. Siping is an important transportation hub and logistics node city in Northeast China, which leads to the Yangtze River Delta and Beijing-Tianjin-Hebei in the eastern part of Jilin, Heilongjiang and Inner Mongolia. Siping has an area of 14323 square kilometers and a population of 3.204 million, including an urban area of 1100 square kilometers and a population of 625000. Siping has jurisdiction over Tiedong District, Tiexi District, Gongzhuling City, Shuangliao City, Lishu County and Yitong County. Siping has a long history, and the site of the ancient city of Yan on the bank of Erlong Lake, 50 kilometers away from the urban area, is the witness of the Han nationality's earliest development of Northeast China. History has left cultural monuments such as Hanzhou in Liao Dynasty, Xinzhou in Jin Dynasty and Yehe Tribe in Ming Dynasty. Daqingshan Village cultural sites, Yehe ancient city ruins, Liao and Jin dynasties