Marana is a town that mostly lies in Pima County with a small portion in Pinal County, in the U.S. state of Arizona. It is located northwest of Tucson, Arizona. As of the 2020 census, the population of the town was 51,908.

Pima County is a county in the south central region of the U.S. state of Arizona. As of the 2020 census, the population was 1,043,433, making it Arizona's second-most populous county. The county seat is Tucson, where most of the population is centered. The county is named after the Pima Native Americans, also known as Tohono O'odham, who are indigenous to this area.