What's celebrated and when — with 2026 and 2027 dates, crowd levels, and booking tips.
Greek Islands Summer Seasonnationalseasonal
1-July-2026 · 2027: 1-July-2027 · 60 days · Best in Mykonos · Crowds: extreme
Peak summer season on the Greek islands (July-August). Mykonos and Santorini see their highest rates and most crowded beaches. Ferry bookings, hotels, and cars all need early reservations.
- Beach clubs in Mykonos
- Santorini sunsets
- Acropolis tours (Athens)
Booking: Book hotels and ferries 3+ months ahead for July/August
Apokries (Greek Carnival)nationalcultural
15-February-2026 · 2027: 7-February-2027 · 21 days · Best in Patras · Crowds: high
Three-week pre-Lenten carnival. Patras hosts Greece's biggest celebration with 50,000 costumed participants in the final Sunday parade. Xanthi in Thrace has unique Pomak cultural elements.
- Patras Grand Parade (final Sunday)
- Treasure Hunt street game
- Clean Monday kite flying
Booking: Book Patras hotels 6-8 weeks ahead for the final weekend
Christmasnationalreligious
25-December-2026 · 2027: 25-December-2027 · 2 days · Crowds: high
Greek Christmas is a 12-day celebration from Dec 25 to Jan 6 (Epiphany/Theofania). Athens' Syntagma Square and Thessaloniki's waterfront fill with lights. Traditional foods: melomakarona (honey-walnut cookies), kourabiedes (almond shortbread) and christopsomo (Christ bread). Kalanda (carollers) visit homes on Christmas morning.

Vouliagmeni (Public domain)
- Athens Syntagma Square Christmas tree
- Thessaloniki Christmas Village
- Melomakarona and kourabiedes cookies
Greek Orthodox Easternationalreligious
12-April-2026 · 2027: 2-May-2027 · 7 days · Best in Corfu · Crowds: high
Most important Greek holiday with midnight services, fireworks, and lamb feasts.
- Midnight church services
- Candlelight processions
- Fireworks
Booking: Book 1-2 months ahead for Corfu
Athens Epidaurus Festivalregionalarts entertainment
1-June-2026 · 2027: 1-June-2027 · 75 days · Best in Athens · Crowds: moderate
Premier arts festival with performances at the ancient Odeon of Herodes Atticus and Epidaurus theatre.

Lauren Outerson, EuroVisionary (CC BY-SA 4.0)
- Ancient theatre of Epidaurus performances
- Odeon of Herodes Atticus concerts
- Greek tragedies and comedies
Booking: Book popular performances 1-2 months ahead
Patras Carnivalregionalcultural
7-February-2026 · 2027: 30-January-2027 · 40 days · Best in Patras · Crowds: high
Greece's largest carnival with elaborate floats, treasure hunts, and the Grand Parade.

ΚΕΔΗΠ-Καρναβάλι Πάτρας (CC BY 4.0)
- Grand Parade with satirical floats
- Treasure hunt through the city
- Bourboulia masked ball
Booking: Book 1-2 months ahead for Grand Parade weekend
Thessaloniki International Film Festivallocalarts entertainment
5-November-2026 · 2027: 4-November-2027 · 10 days · Best in Thessaloniki · Crowds: high
11-day international film festival held every November since 1960. Southeast Europe's most important film event, with 200+ films across historic theaters in central Thessaloniki.
- Opening and closing galas
- Greek premieres
- Warehouse C on the waterfront
Booking: Book hotels 4-6 weeks ahead; festival passes available online