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.
Mangshi, known as "Chuan Huan" in Dai language, is the capital of Dehong Dai Jingpo Autonomous Prefecture, Yunnan Province, people's Republic of China. It is located between 98 °05 Longitude 98 °44km east longitude and 24 °05km north latitude, about 71 km from east to west and 62 km from north to south, with a total area of 2987 square kilometers. Longling County is bordered by Longling County in the east and northeast, Ruili City in the southwest, Lianghe County and Longchuan County in the west and northwest across the Longchuan River, and the Republic of the Union of Myanmar in the south. It is the transportation hub leading to Ruili, Longchuan, Yingjiang and Lianghe, and it is also an important gateway for China to South and Southeast Asia. In ancient times, Mangshi was the territory of the Dai nationality, which is inhabited by the Dai, Han, Jingpo, Deang, Achang, Lisu and other ethnic groups, with a total population of 3949.