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.
Linxia Hui Autonomous Prefecture (Linxia Prefecture for short) is one of the two major Hui Autonomous prefectures in China, which was established in November 1956. Linxia Hui Autonomous Prefecture is located in the southwest of central Gansu Province, the upper reaches of the Yellow River. It is bordered by Lanzhou to the north, Lintao River to the east and Dingxi City to the east, Jishi Mountain to the west and Haidong area of Qinghai Province to the west, and Taizi Mountain to the south to Gannan Tibetan Autonomous Prefecture. The total area is 8169 square kilometers. The resident population is 2.0441 million (2017). It has jurisdiction over 1 county-level city, 5 counties and 2 autonomous counties. In 2017, Linxia State achieved a GDP of 23.884 billion yuan, of which the added value of the primary industry was 3.889 billion yuan, the secondary industry was 4.318 billion yuan, and the tertiary industry was 15.677 billion yuan.