• Tucson
  • Zhengyang 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.

Zhengyang County, which belongs to Zhumadian City, Henan Province, is located in the southeast of Zhumadian City, Henan Province, on the coast of Huaihe River, facing Luoshan and Xinyang in the south, Xincai and Xixian in the east, Runan and Pingyu in the north, and Queshan in the west. Beijing-Hong Kong-Macao Expressway, Daguang Expressway, Shanghai-Shaanxi Expressway and Xinyang Expressway look around. The county covers a total area of 1903 square kilometers, with 19 townships, 294 administrative villages (neighborhood committees) and 1421 villagers with a total population of 800000, including 2.3 million mu of arable land and more than 3 mu of arable land per capita. Zhengyang history, known as "plaster sorghum plentiful land", known as "half a meter and a half, it is difficult to buy Zhengyang County" reputation, with peanuts, pigs, wheat three national "top 100 agricultural county business cards", is the country's largest peanut planting county, pigs transferred out of the largest county
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