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.
Xingan, which belongs to the Inner Mongolia Autonomous region, is located in the northeast of Inner Mongolia, connected with Heilongjiang Province in the northeast, Jilin Province in the southeast, Tongliao City in the south, Xilingol League and Hulunbuir City in the south, west and north, respectively. The northwest is bordered by Mongolia and the border is 126 kilometers long. The alliance is 380km long from north to south and 320km wide from east to west, with a total area of 59806 square kilometers. Xingan gets its name because it is located in the middle of the Daxing'an Mountains, and "Xing'an" means hills. By the end of 2018, Xingan had jurisdiction over two county-level cities, one county and three banners, with a resident population of 1.6079 million and a regional gross domestic product (GDP) of 47.248 billion yuan, of which the added value of the primary industry was 15.418 billion yuan and that of the secondary industry was 13.682 billion.