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.
Sixian, which belongs to Suzhou City, Anhui Province, is located in the northeast of Anhui Province, bordering Sihong in the east, Lingbi in the west, Wuhe and Guzhen in the south, and Suining and Suqian in the north-east. The total area is 1787 square kilometers. Sixian County has a long history and was established as early as the Xia Dynasty. It is one of the important birthplaces of Sizhou opera, a national intangible cultural heritage. There are natural and beautiful "Hongxiang eight scenery", the ancient battlefield of the Chu-Han struggle-Bawang City monuments and sites, Sui and Tang dynasties Grand Canal Tongji Canal sites and other historical sites. As of 2018, Sixian County has jurisdiction over 12 towns, 3 townships, and another development zone. The resident population is 851000, with a regional gross domestic product (GDP) of 20.894 billion yuan. In terms of sub-industries, the added value of the primary industry is 5.005 billion yuan, and the secondary industry is increasing.