The Dymaion Wall is located in the area of Araxos, 35 km west of Patras. It is the only example of fortified acropolis in western Greece. This location was the administrative center of Dymaion country during the Mycenaean period, while it was populated continually from the Final Neolithic period up to the Venetian domination. According tradition it was built by Hercules around 1250 BC when preparing his second campaign against the king of Ilidos, Eugeias. This wall during the whole antiquity was the stronghold, fort or base of the Achaeans against Ilians. Elians in turn built two forts, one in Vouprasio and one in Fyxio. The "Wall Dymaion" lived many military adventures during the Allies was of 220-217 BC. Then I was took by the Elians and later retook by the Achaeans (and Dymaians) who were allied to the Macedonian King Philip V.