Calydon (/ˈkælᵻdɒn/; Greek: Καλυδών; gen.: Καλυδῶνος) was an ancient Greek city in Aetolia, situated on the west bank of the river Evenus, 7.5 Roman miles (approx. 11 km) from the sea. Its name is most famous today for the Calydonian Boar that had to be overcome by heroes of the Olympian age.