The big town, that is built upon the exact spot of ancient Aigio, was named Vostitsa during the Middle Ages and is an industrial and commercial harbour. Quite interesting is the old part of the town towards the seaside. Aigio was the first city that was liberated from the Ottoman occupation during the Greek Revolution of 1821 (March 26). It is 41 km away from Patras.

The two quadrilateral edifices of the 5th and 4th Century B.C., near the tank of the modern town.
The cemetery of the Classical era, northwest, in the same spot.
The Mycenaean tombs, in the square of Psila Alonia.
The Hellenistic and Roman cemetery.
The Archaeological Museum, in the renovated Old Market. Findings are displayed from the broader region, that are dated from the Neolithic Period up to the Roman Period.
The Cathedral of Panayia Faneromeni (the revealed Holy Mother), designed by Ern.. Ziller.
The old part of the town, towards the coast.
The cave church of Panagia Trypiti, outside the city, in the road to Patras.
The neighboring villages of Rododaphne, Digeliotika, Temeni, Valimitika and Plataniotissa.
The Convent of Pepelenitsa and the Monastery of Taxiarckhes, near the Melisia vilage (on the River Selinous).