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.
Huan Tai is a county under the jurisdiction of Zibo City, which is located in the combination zone of the mountain area of central Shandong Province and the northern part of Lubei Plain. it is located in the north of Shandong Province, north of Zibo City, between latitude 36 °51 °50 "- 37 °06 °00" north and longitude 117 °50 "- 118 °10 °40" east, bordering Boxing and Gaoqing counties in the north, Linzi District in the east, Zhangdian District and Zhoucun District in the south and Zouping County in the west. The county covers an area of 509 square kilometers. The terrain in Huantai County is high in the south and low in the north, tilting from southwest to northeast, slightly in the shape of microwave. It is located in the warm temperate continental monsoon climate. As of 2015, Huantai County has one national AAAA tourist area, two national AAA tourist areas and one famous Chinese historical and cultural town. As of 2015, Huantai County has jurisdiction over 2 streets and 7