Preveza ( Greece ) is a seaside town and a has a harbor on the Ambracian Gulf, in Epirus. It is located 104 km from Ioannina, 349 km from Thessaloniki and 361 km from Athens. The Aktio-Preveza Immersed Tunnel, the only undersea tunnel in Greece, completed in 2002, connects the two towns. The ruins of the ancient city of Nicopolis are 7 km north of Preveza. Near the modern city, the famous King Pyrrhus of Epirus established the town of Berenike in 290 BC. Preveza is a town with a very rich history with great Ancient, Venetian and Ottoman sights to visit. The area around Preveza has 60 km of coastline with beaches for all tastes, with free umbrellas and sunbeds, beach bars and water sports facilities, white sandy or rocky beaches, accommodation facilities and camping, making it the ideal place for holidays.