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  • Hainan 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.

Hainan District is one of the municipal districts of Wuhai City, Inner Mongolia Autonomous region, located in the west of Inner Mongolia Autonomous region and the southeast of Wuhai City. East Yizhuozi Mountain (Wurendu Xiwula) is adjacent to Etok Banner in Ordos City, facing Wuda District across the Yellow River to the west, connecting four wells to the north and bordering Shizuishan City in Ningxia in the south. It is about 50 kilometers from north to south and 20 kilometers from east to west, with a total area of 1005 square kilometers. Hainan District has jurisdiction over 3 towns and 2 subdistrict offices. The total population in 2013 was 105000.
Airport In Hainan District - Wuhai Airport
Wuhai Airport (Wuhai Airport, IATA: WUA, ICAO: ZBUH), located on Airport Road, Haibowan District, Wuhai City, Inner Mongolia Autonomous Region, China, 12.5 kilometers south of Wuhai City Center, is a 4C-level domestic feeder airport in China   .
On March 25, 2002, Wuhai Airport started construction   ; On December 12, 2003, Wuhai Airport officially opened to traffic   ; On August 15, 2010, the new terminal of Wuhai Airport opened   .
As of April 2020, the terminal area of ​​Wuhai Airport is 12,480 square meters, with 3 boarding bridges; 7 seats on the station apron, including 5 class C seats and 2 class B seats; the runway is 2600 square meters long m, 45 m wide   .
In 2019, Wuhai Airport handled a total of 524,168 passengers, a year-on-year increase of 8.9%, ranking 140th in the country; cargo and mail throughput was 724.5 tons, a year-on-year increase of 9.9%, ranking 138th in the country; aircraft took off and landed 5,587 times, A year-on-year decrease of 1.9%, ranking 164th in the country  
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