The region was firstly inhabited during Palaeolithic Age. In the Antiquity it was known for the necromancy temple set up in Mycenaean Period as well as for the lake Acheroussia where one of the gates leading to Hades. In Historic Period the most remarkable city was Kassopi. The region was destroyed by Aemilius Pavlos. After the sea-battle of Aktio (31 B.C.) Octavianos Ceasar set up Nikopolis that was developed in a great religious centre. The prefecture of Preveza includes the southwestern part of Epirus. The magnificent city of Preveza with its castle ending to the sea, the picturesque narrow streets, the houses in neo-classical style and the belfries is a fscinating town situated in the entry of Amvrakikos gulf with cosmopolitan life and calm nature that relaxes the visitor. The marvellous beaches located in the western point of the prefecture of Preveza open to the Ionian sea, the considerable acquatic biological park of Amvrakikos gulf, the variety of the landscape, the rich vegetation and the abudant waters consist the natural beauty of the prefecture of Preveza. The city of Preveza is built in the entry of Amvrakikos gulf and together with the double delta of the rivers Louros and Arahthos as well as a system of lagoons consist a rare ecosystem protected by the international treaty RAMSAR. Preveza is situated in a distance of 425 km. from Athens via Rio-Antirrio. Of the most considerable sightseeings of the city they are the three castles preserved in very good condition, the tower with the clock-building of the time period of Venetian sovereign and the Cathedral of St. Charalambos. 7 km. northeast of Preveza you can visit the ruins of Nikopoli, one of the most important cities of the Roman and First –christianity period. It was set up by the Roman emperor Octavianos after his victory over the joined naval forces of Marcus Antonius and Cleopatra in the sea-battle of Aktio (31 B.C.) It had been made a colony by violently transferring people from the destroyed cities of Epirus, Akarnania, Lefkada as well as from Italy and it covered a big extent surrounded by walls first built by Romans and then by Byzantines. The glory of the city is proved by roman monuments as the theater, the school of music, the aqueduct as well as postchristian monuments. In the location of Nikopoli in the Archaeological Museum they are exhibited findings of the excavations made in said region. Following from Preveza the National Road Preveza-Igoumenitsa northwards, you will meet wonderful by the sea villages with marvellous beach and very clean sea as Mytikas, Kanali, Ammoudia, Loutsa, Alonaki as well as others where you can really enjoy swimming. Infinite seasides in perfect harmony with the green landscape and the blue of the sea relax the visitor. The village Loutsa is built amphitheatrically with splendid view to the sea while the coastal settlement is right on the seashore of Ionian sea. In Ammoudia it is the mouth of the river Aherontas that is navigatable as far as Messopotamos and the Necromancy place. So the mouth of the river as the narrow passages of it consist a remarkable ecosystem included in the regions under protection of the programme "Nature 2000". The river Aherontas passing by creates an alternation of landscapes with particular ecological and natural interest. In the Necromancy place the building that has been saved nowadays is of the 4th to the 3rd century B.C. It was a temple dedicated to the gods of Hades since ancient people believed that they could communicate with the deads souls after having passed a period of purification and magic ceremony. It was destroyed in 167 B.C. by Aemilius Pavlos and it was discovered in 1958 by the excavation made by the Archaeological company. 500 m. north of the Necromancy place it is located Efyra, the most ancient city of Epirus, a colony of Mycenae of the 14-13th B.C. century. The exterior wall is saved although destroyed while in the interior they have been found two tombs belonging to children of the Age of Iron.