• Tucson
  • Yongning 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.

Yongning County, which belongs to Yinchuan City, is located in the middle of the Yellow River diversion Irrigation area of Yinchuan Plain in Ningxia, facing the Yellow River to the east and Helan Mountain to the west. It is a suburban county of Yinchuan, the capital of Ningxia Hui Autonomous region, and is located to the south of Yinchuan City. It has jurisdiction over 5 towns, 1 township, 1 street and 2 state-owned farms, with a total area of 934 square kilometers and a total population of 230957 (2013). The government is stationed in Yang Wo Street. The Najia Mosque, the Great Wall of the Ming Dynasty, Li Jun Pagoda and other monuments are key cultural relics protection units in Ningxia Hui Autonomous region. In 2012, Yongning County completed a regional GDP of 7.645 billion yuan and local revenue of 1.362 billion yuan. In October 2017, Yongning County was named the National Garden County by the Ministry of Housing and Construction. In November 2017, Yongning County was awarded the "Top Ten quality Leisure Counties of 2017 in China".
Travel Notes In Yongning County