• Tucson
  • Zhenyuan 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.

Zhenyuan County belongs to Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province, 190 kilometers away from Kaili City, the capital of Guizhou Province, located in the Wuling Mountain area in the east of Guizhou Province, is a slope zone of transition from Guizhou Plateau to Xiangxi hills, Xinhuang, Hunan, bordering Sansui and Jianhe to the south, Shiqian, Tongren City to the north, is the east gate of Guizhou Province, known as "the lock key of Yunnan and Chu, the gateway to eastern Guizhou". It belongs to the humid climate zone of the middle subtropics, with an annual average temperature of 16.6 ℃, a frost-free period of 292 days, an annual precipitation of 1057 mm, and annual sunshine hours of 1200 hours. Zhenyuan County has a total area of 1878 square kilometers and has jurisdiction over 12 townships (towns), 110 administrative villages, 5 communities and 4 neighborhood committees, with a total population of 259000, of which 99000 are from 22 ethnic minorities, including Miao, Dong and Tujia, accounting for the total.
Travel Notes In Zhenyuan County