In the Middle Ages, the place belonged to Venice, which is still remembered today by the Castel Rosso fortress built in the 13th century. On August 29, 1348, the Venetians defeated the Genoese in the naval battle of Karystos.
Karystos (Greek Κάρυστος [ˈkaristɔs] (f. sg.)) is a town and municipality on the southern coast of the Greek island of Evvia (Euboea). The core city has about 5000 inhabitants today; About 12,180 people live in the municipality, which was last expanded considerably by incorporations in 2010.