Dover Motor Speedway is a race track in Dover, Delaware. The track has hosted at least one NASCAR Cup Series race each year since 1969, including two per year from 1971 to 2020. In addition to NASCAR, the track also hosted USAC and the Indy Racing League. The track features one layout, a 1.03 mi (1.66 km) concrete oval, with 24° banking in the turns and 9° banking on the straights. The speedway is owned and operated by Speedway Motorsports.

Dover is the capital and second-most populous city of the U.S. state of Delaware. It is also the county seat of Kent County and the principal city of the Dover metropolitan statistical area, which encompasses all of Kent County and is part of the Philadelphia–Wilmington–Camden, PA–NJ–DE–MD, combined statistical area. It is located on the St. Jones River in the Delaware River coastal plain. It was named by William Penn for Dover in Kent, England. As of 2020, its population was 39,403.