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.
Xiao County, a county under the jurisdiction of Suzhou City, Anhui Province, is located at the north gate of Anhui Province, at the junction of Jiangsu, Shandong, Henan and Anhui provinces, at the center of Huaihai Economic Zone, Xuzhou metropolitan area and the southeast edge of North China Plain. Known as the "thoroughfare of the four provinces", it is the node of the national implementation of overall strategies such as "Belt and Road Initiative" and "Central Plains Economic Zone" and the implementation of regional strategies such as "eastward development" and "revitalization of northern Anhui" in Anhui Province. It is bordered by Xuzhou in the east, Huaibei in the south, Lianfeng County in the north, Yongcheng and Dangshan in the northwest, Heze in Shandong Province, and Hanqiao District in Suzhou in the southeast, covering an area of 1885.3 square kilometers. Xiao County, known as Xiao Guo in ancient times, has a history of more than 6000 years of civilization and more than 3100 years of history of building the city. It is the birthplace of Han culture and filial piety culture. There are Jinzhai cultural sites, Huajia Temple sites and other Neolithic sites.