• Tucson
  • Longxian 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.

Longxian, which belongs to Baoji City, Shaanxi Province, is called Longzhou in ancient times, because it is located in Dongzaka, Longshan. It is located in the west of Guanzhong Plain and northwest of Baoji City. It faces Qianyang to the east, Chencang District to the south and Qingshui, Zhangjiachuan, Huating, Chongxin and Lingtai five counties in the northwest. It is between longitude 106o 26mm 32 "- 107o 811" east and latitude 34o 35m 17 "- 35o 6m 45" N, with a width of 57.6km from north to south and 59.7km from east to west, with a total area of 2285 square kilometers. Longxian is called Longzhou in ancient times, because it is located on the east slope of Longshan. Qin Xianggong established the capital, and Longguan was established in the Han Dynasty, which is known as "the capital of Qin and Han pass". It is the first male pass on the ancient Silk Road to the west of Chang'an. Longxian County has a good ecology, with 60% forest coverage and 49 large and small rivers, which is known as the "faucet of Guanzhong".
Travel Guides In Longxian County
Travel Notes In Longxian County