Sabanalarga is located in the middle of the Atlántico Department. It is surrounded to the north by the municipalities of Usiacurí, Baranoa, and Polonuevo; to the east by the municipality of Ponedera; to the south by the municipalities of Candelaria, and Manatí; to the southwest by the municipality of Repelón and to the west by the municipalities of Luruaco and Piojó.