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.
Hanshan County, which belongs to Maanshan City, Anhui Province, is located on the north bank of the middle and lower reaches of the Yangtze River, east-central Anhui and the shore of Chaohu Lake. The total area is 1047 square kilometers. Hanshan has a history of more than 1300 years since the county was bought in the sixth year of Tang Wude (623). It is the hometown of Wu Chu in the Spring and Autumn period, known as Wu Tou and Chuwei. There are many tourist attractions in Hanshan, mainly Taihu Mountain and Huayang Cave, two national AAA scenic spots. By 2018, Hanshan County had 8 towns and 3 parks with a resident population of 395000, achieving a regional gross domestic product (GDP) of 17.358 billion yuan, of which the added value of the primary industry was 2.032 billion yuan, the secondary industry was 8.465 billion yuan, the tertiary industry was 6.86 billion yuan, and the proportion of the three industries was 11.749.