ITHACA (anc. geogr.), an island in the Ionian Sea on the coast of Epirus; the country of Ulysses near Dulichium, with a town and port situated at the foot of mount Neius. According to Pliny, it is about 25 miles in compass; according to Artemidorus, only 10; and is now found to be only eight miles round. It is now uninhabited, and called Jathaco.