Caroline County is a United States county located in the eastern part of the Commonwealth of Virginia. The northern boundary of the county borders on the Rappahannock River, notably at the historic town of Port Royal. The Caroline county seat is Bowling Green.

Cities: Bowling Green, Port Royal, Lake Caroline
Population: 31,957 (2022)
County seat: Bowling Green
Congressional district: 1st
Founded: 1727
Named for: Caroline of Ansbach