Aetolia's a mountainous region of Greece on the north coast of the Gulf of Corinth, forming the eastern part of the modern prefecture of Aetolia-Acarnania. Geography The Achelous River separates Aetolia from Acarnania to the west; on the north it'd boundaries with Epirus and Thessaly; on the east with the Ozolian Locrians; and on the south the entrance to the Corinthian Gulf defined the limits of Aetolia. In classical times Aetolia comprised two parts: Old Aetolia in the west, from the Achelo… (More on Aetolians)