In the Prefecture of Achaia, there are scattered remnants of the ancient world, challenging the admiration of visitors. The most important ones are: Ancient Aigeira, Ancient Keryneia, Ancient Eliki, Archaeological Monuments of Aigion, Castle of Rion, Patras Antiquities, Wall of Dymaioi, Gyftokastro, Santameri, Portes, Achaic Leondio, Ancient Farrai, Ancient Tritaia, Ancient Loussoi, Ancient Kleitor, Ancient Psofis and Ancient Paos.