• Tucson
  • Tianzhu Zangzu Autonomous County

Tucson (/ˈtuːsɒn, tuːˈsɒn/; Spanish: Tucson, O'odham: Cuk-Ṣon) is a city in and the county seat of Pima County, Arizona, United States, and is home to the University of Arizona. It is the second largest city in Arizona behind Phoenix, with a population of 542,629 in the 2020 United States census, while the population of the entire Tucson metropolitan statistical area (MSA) is 1,043,433. The Tucson MSA forms part of the larger Tucson-Nogales combined statistical area (CSA). Both Tucson and Phoenix anchor the Arizona Sun Corridor. The city is 108 miles (174 km) southeast of Phoenix and 60 mi (97 km) north of the U.S.–Mexico border. Tucson is the 34th largest city and the 53rd largest metropolitan area in the United States (2014).

Major incorporated suburbs of Tucson include Oro Valley and Marana northwest of the city, Sahuarita south of the city, and South Tucson in an enclave south of downtown. Communities in the vicinity of Tucson (some within or overlapping the city limits) include Casas Adobes, Catalina Foothills, Flowing Wells, Midvale Park, Tanque Verde, Tortolita, and Vail. Towns outside the Tucson metro area include Benson to the southeast, Catalina and Oracle to the north, and Green Valley to the south.

Tucson was founded as a military fort by the Spanish when Hugo O'Conor authorized the construction of Presidio San Agustín del Tucsón in 1775. It was included in the state of Sonora after Mexico gained independence from the Spanish Empire in 1821. In 1853, the United States acquired a 29,670 square miles (76,840 km2) region of present-day southern Arizona and southwestern New Mexico from Mexico under the Gadsden Purchase. Tucson served as the capital of the Arizona Territory from 1867 to 1877. Tucson was Arizona's largest city by population during the territorial period and early statehood, until it was surpassed by Phoenix by 1920. Nevertheless, population growth remained strong during the late 20th century. In 2017, Tucson was the first American city to be designated a "City of Gastronomy" by UNESCO.

Tianzhu Tibetan Autonomous County (Tianzhu County for short), which is under the jurisdiction of Wuwei City, Gansu Province, is the first area to exercise regional ethnic autonomy after the founding of the people's Republic of China. Tianzhu, known as Huarui in Tibetan, means heroic tribe. The Summer Solstice was the pastoral land of Rong Qiang, Yueshi, Xiongnu and other ethnic groups in the early Han Dynasty, which was included in the territory of the Han Dynasty since Emperor Wu of the Han Dynasty. after the Tang Dynasty, it gradually formed a multi-ethnic settlement with Tubo (present-day Tibetan) as the main ethnic group. Tianzhu County is located in the middle of Gansu Province, in the south of Wuwei City, in the Hexi Corridor and the eastern end of Qilian Mountains. Jingtai County in the east, Menyuan County in Haibei Prefecture of Qinghai Province in the west, Huzhu County in Haidong City and Ledu District in Haidong City in the west, Yongdeng County in the south, Liangzhou District and Gulang County in the north, and Sunan County in the northwest. By the end of 2011, Tianzhu County covers an area of 7149 square kilometers and has jurisdiction over 9 towns and 10 towns.
Travel Sights In Tianzhu Zangzu Autonomous County
Travel Notes In Tianzhu Zangzu Autonomous County
Travel Asks In Tianzhu Zangzu Autonomous County
Travel Asks In Tianzhu Zangzu Autonomous County