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.
Saga County, which belongs to Xigaze City, Tibet Autonomous region, is located in the southwest of Tibet Autonomous region, northwest of Xigaze City, located in the northern foot of the Himalayas and the southwest edge south of the Gangdise Mountains. Saga County is one of the border counties with a length of 105 kilometers. It is the center of the three counties (Zhongba, Saga and Jilong) in the west of Xigaze City, bordered by Angren County and Nyalam County in the east, Jilong County and Nepal in the south, and Zhongba County in the west. The north is connected with Cuoqin County in Ali area. The upper reaches of the Brahmaputra River. The "219" national highway runs through the east and west of the county, and it is also the main road from Lhasa to Aripland. The county covers a total area of 25500 square kilometers and has jurisdiction over seven townships and one town and 38 administrative villages. The total population is 12600 (2003). The average elevation of the county is more than 4600 meters, and the climate is high and cold.