What documents should I have with me upon arrival/rental?

Each driver must hold a valid driving license for cars which was issued at least one and a half year before the first day of the rental period, and he or she must be at least 21 years of age. Driver must have a valid Greek, European (for E.U. countries) or International (for countries that don't belong to E.U.)driving license. Your Passport or ID Card and your confirmation form are also necessary.