Aetolia (ētōlˈyə) [key], region of ancient Greece, N of the Gulf of Corinth and the Gulf of Calydon, E of the Achelous River (separating it from Acarnania). Little is known of the early population of Aetolia, but later Aetolians, though they had coastal cities, were primarily an inland farming and pastoral people. They had famous shrines at Calydon (to Artemis) and at Thermum (to Apollo).
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