Oro Valley, incorporated in 1974, is a suburban town located 6 miles (9.7 km) north of Tucson, Arizona, United States, in Pima County. According to the 2020 census, the population of the town is 47,070, an increase from 29,700 in 2000. Dubbed the "Upscale Tech Mecca" of Southern Arizona by the Arizona Daily Star newspaper, Oro Valley is home to over 10 high tech firms and has a median household income nearly 50% higher than the U.S. median. The town is located approximately 110 miles (180 km) southeast of the state capital of Phoenix.

Tucson 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. Both Tucson and Phoenix anchor the Arizona Sun Corridor. The city is 108 miles (174 km) southeast of Phoenix and 60 mi (100 km) north of the United States–Mexico border.