PORTES
A great Mycenaean cemetery that is still being excavated is near Portes in the Municipality of Olenia between the Prefectures of Achaia and Heleia. Adjacent to Portes, one can find the Frank Castle. There are ruins of a domed building, parts of walls and ruins of houses.
PAVLOKASTRO
Ruins of wall foundations and underground passages near the village of Tsaplanaiika bear witness to the existence of a castle which is mentioned for the first time in a text that dates back to 1408, as one of the castles of the Archbishop of Patras.