 The municipal unit has an area of 167.616 km2.The ancient Euboean Kyme is mentioned as a harbor town related to the more prominent "poleis" of Chalkis and Eretria in antiquity.Together with these, it is sometimes named as the founding "metropolis" of the homonymous Kymē (Cumae) in Italy, an important early Euboean colony, which was probably named after it.