• Tucson
  • Langfang

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.

Langfang, a prefecture-level city of Hebei Province, is located in the east-central part of Hebei Province, facing the capital Beijing in the north, bordering Tianjin in the east, Cangzhou in the south and Baoding in the west. Most of Langfang is located in the depression area due to the influence of geological structure; it is located in the middle latitudes and belongs to the warm temperate continental monsoon climate; it is located in the core of Beijing-Tianjin-Hebei urban agglomeration, around the hinterland of Bohai Sea. Langfang has jurisdiction over two districts, two county-level cities and six counties, with a total area of 6429 square kilometers and an urban area of 54 square kilometers. The registered population is 4.795 million in 2018. Langfang City is located in the central and eastern part of the North China Plain and the central part of Hebei Province. Langfang territory starts from the hilly area at the southern foot of Yanshan in the north and reaches the Heilonggang basin in the south. Langfang City is located in the middle latitudes, is a warm temperate continental monsoon climate, four distinct seasons. Langfang City is located in the middle and lower reaches of the Haihe River Basin.
Travel Guides In Langfang
Travel Notes In Langfang
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