A. Sarris1, S. Topouzi1, F. Triantafyllidis1, S. Soetens1, G. Pliakou2
1 Laboratory of Geophysical - Satellite Remote Sensing & Archaeo-environment, Institute of Mediterranean Studies - Foundation of Research & Technology (F.O.R.T.H.), Rethymnon, Crete, Greece
2 12th Eforia of Prehistoric and Classical Antiquities, Ioannina, Greece

The ancient city of Lefkas, opposite the Acarnanian coast, was inhabited from the early times and constituted one of the basic colonies of the Corinthians. The ancient city, following a Hippodamian system, expanded between the borders of the modern settlements Kalligoni and Karyotes, from the slopes of Koulmos, where some (possibly) ritual buildings and the remains of the theatre have been found, towards the coast. Parts of the city were revealed through excavations of the German Archaeological Institute at the beginning of the century and more recently by the Greek Archaeological Service.
Geophysical investigations employed vertical magnetic gradient and soil resistance mapping techniques. Processing of the geophysical data identified a number of characteristics of the ancient city plan: parallel and vertical streets, forming large building blocks, drainage pipes running to the sides of the roads, architectural remains, kilns and wall relics within the building blocks, etc. Further to the south, the density of architectural remnants is decreasing, suggesting a potential location for the southern wall of the city. Aerial and satellite images of the area were also registered to the topographic map and enhanced using image processing techniques.