Vonitsa is a town in the northwestern part of Aetolia-Acarnania in Greece, seat of the municipality of Aktio-Vonitsa. The beach town is situated on the south coast of the Ambracian Gulf, and is dominated by a Venetian fortress on a hill. Vonitsa is 13 kilometres southeast of Preveza, 18 kilometres northeast of Lefkada (city) and 90 kilometres northwest of Agrinio. The Greek National Road 42 passes through Vonitsa.