Vonitsa is a town in the northwestern part of Aetolia-Acarnania in Greece, seat of the municipality of Aktio-Vonitsa. Population 4,081 (2001). 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 southeast of Preveza, northeast of Lefkada (city) and northwest of Agrinio. The Greek National Road 42 (Lefkada - Amfilochia) passes through Vonitsa.