This page describes the shape of the system and names who administers it. It is not legal advice and it certifies nothing. Drone rules change, and the only source worth acting on is the authority itself: the Hellenic Civil Aviation Authority, which publishes where you may fly, and the DAGR airspace platform, which is where flights are notified. Check both before you fly.
The two layers
The EU layer. Greece applies the common European framework, which means registration as a UAS operator is required for essentially anything with a camera on it. If you are already registered in another EASA member state, that registration travels with you.
The Greek layer. Flights are notified through DAGR, the national drone airspace platform, which also shows which areas are open, restricted or prohibited. This is the step that catches visitors out, because it has no equivalent in most other countries.
Register before you travel, not on arrival
The single most useful thing on this page. Registration is not something you complete at the departure gate.
If you are registered in another EASA state, carry the evidence. If you are not, you register in Greece, and the process takes time rather than minutes. Visitors from outside the EU should treat it as a job to start well before the trip rather than a formality.
Confirm the current requirements and lead times directly with the HCAA. They are exactly the sort of detail this page will not print, because it would age badly and a wrong figure here is worse than no figure.
The rules that apply once you are flying
Two are worth carrying in your head, because they are stable and they are the ones people breach without meaning to.
A height ceiling. The standard EU limit is 120 metres above the surface.
Visual line of sight. You keep the aircraft where you can see it, or you fly with an observer who can.
Everything else, distance from people, from built-up areas and from airports, is set by the class of your aircraft and by the zone you are in, which is what DAGR exists to tell you.
The absolute no-fly zones, and why this matters more in Greece
This is the part to take seriously rather than as boilerplate.
Greece has a large number of military installations, including facilities of significance well beyond Greece, and they are marked in the airspace system. Flying near one is not a paperwork problem. People have been arrested and criminally investigated for it, including visitors who did not realise what was on the other side of the hill.
Archaeological sites are the other category worth naming. Filming at a protected site is a permit matter administered by the culture authorities rather than the aviation ones, which is a separate process again and covered in archaeological site rules.
If you are unsure whether a spot is clear, the answer is to check the platform rather than to try it.
Where a drone is genuinely worth carrying
Written honestly, because the answer is not everywhere. The islands where a drone adds most are the ones whose shape is the point: the caldera at Santorini, the folded volcanic coast of Milos, the cliffs of Folegandros, the beaches of Lefkada.
The places where it adds least are the crowded ones, where the rules about people and the practical difficulty both work against you.
Where this leaves you
Greece runs the EU drone framework plus a national notification system, and both need dealing with before you travel. Register in advance, notify through DAGR, keep below the ceiling and in sight, and treat military zones as absolute. The rules move, so read them at the Hellenic Civil Aviation Authority and on the DAGR platform rather than on any page, this one included.
Quick answers
Can you fly a drone in Greece as a tourist?
Yes, within the EU framework Greece applies, provided you are registered as a UAS operator and you notify your flight through the national DAGR airspace platform. Both steps need doing before you travel, not on arrival.
Do you need to register a drone in Greece?
If you are already registered in another EASA member state, that registration is recognised. If not, you register with the Hellenic Civil Aviation Authority, and the process takes time, so start it well before the trip.
What is DAGR?
The Greek national drone airspace platform, where you check whether an area is open, restricted or prohibited and where flights are notified. It is the Greek-specific step that visitors most often miss.
Where can you not fly a drone in Greece?
Military installations above all: they are marked in the airspace system and people have been arrested for flying near them. Airports, restricted zones shown in DAGR, and protected archaeological sites, where filming is a separate permit matter, are the other categories.