• Tucson
  • Kongtong District

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.

Kongtong District, which belongs to Pingliang City, Gansu Province, is located in the eastern part of Gansu Province, at the eastern foot of Liupan Mountain, between 106 °25 degrees east longitude 107 °21 'east longitude and 35 °12 miles north latitude 35 °45'. It is bordered by Jingchuan and Zhenyuan to the east, Huating and Chongxin to the south, Jingyuan and Yuanzhou District in Ningxia Hui Autonomous region to the west, and Pengyang and Zhenyuan County to the north to the north. Historically, it is the first pass town of the ancient Silk Road to the north and Ganliang. It is also the traffic fortress of the three provinces of Shaanxi, Gansu and Ningxia and the distribution center of traditional commodities in Longdong. It is known as the "dry Wharf" and is the political, economic, cultural and transportation center of Pingliang City. As of 2018, Kongtong District has jurisdiction over 17 townships and 3 streets, with a total area of 1936 square kilometers and a resident population of 533200. Kongtong District under the name of National Scenic spot
Travel Guides In Kongtong District
Travel Sights In Kongtong District
Travel Notes In Kongtong District
Travel Asks In Kongtong District
Travel Asks In Kongtong District