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.
Guangxi Zhuang Autonomous region, referred to as "Gui", is the provincial administrative region of the people's Republic of China, located in South China, Guangxi is bounded by 20 °54 degrees north latitude, 26 °24 degrees north latitude, 104 °28 degrees east longitude, 112 °04 'east longitude, Guangdong, south by Beibu Gulf and across the sea from Hainan, adjacent to Yunnan in the west, Hunan in the northeast, Guizhou in the northwest, and Vietnam in the southwest. Guangxi has a land area of 237600 square kilometers and a sea area of about 40, 000 square kilometers. Guangxi is located in the southeast edge of the Yunnan-Guizhou Plateau in the second ladder of Chinese topography, in the west of Liangguang hills, high in the northwest and low in the southeast, tilting from the northwest to the southeast. Geomorphology is generally composed of six categories: mountains, hills, platforms, plains, stone mountains and water surfaces. Guangxi belongs to subtropical monsoon climate and tropical monsoon climate.