Rafina Port Authority: +30 22940 28888 Gavrio Port Authority: +30 22820 71213 Andros Health Centre: +30 22820 22222 – +30 22820 33333 – +30 22820 23703 Taxi Service in Gavrio: +30 22820 71561 Taxi Service in Batsi: +30 22820 41081 Batsi Citizen Service Center: +30 22820 41856