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.
Guangyuan City, a prefecture-level city under the jurisdiction of Sichuan Province, borders Gansu Province and Shaanxi Province in the north; Nanchong City in the south; Mianyang City in the west; Bazhong City in the east; on the northern edge of Sichuan, the mountain is in the transition zone to the basin, belonging to the subtropical humid monsoon climate; the city has a total area of 16314 square kilometers, with 3 districts and 4 counties under its jurisdiction; and there are 3.0262 million registered residents in 2017. Guangyuan City has been an important passageway into Sichuan since ancient times. It is the old place of Guo, the fortress of entering Shu, and the important town of the three Kingdoms. Guangyuan has a profound cultural heritage, especially the bright red gene handed down from generation to generation. Guangyuan is the concentrated display of pre-Qin ancient plank road culture and Chinese Shu road culture, the core corridor of the history and culture of the three Kingdoms, and the birthplace of the only female emperor Wu Zetian in Chinese history. It is also the core area of the former Sichuan-Shaanxi Soviet area and the later stage of the Red fourth Front Army.