Artemisio (Greek: Αρτεμίσιο) is a village and a former municipality in Euboea, in central Greece. Since the 2011 local government reform, it has been part of the municipality Istiaia-Aidipsos, of which it is a municipal unit.[2] The municipal unit has an area of 122.640 km2.[3] The population was 3,410, as of 2021.