Ioanian Islands
Zakynthos, Ithaca, Corfu, Kefalonia, Lefkada, Paxi, Kythira are the seven largest islands of the group, while Antikythira, Antipaxi, Ereikousa, Mathraki, Othonoi, Meganisi and Strofades are the smaller included.
Crete
Saronic Islands
Very close to Attica, Saronic islands include Aegina, Agistri, Hydra, Poros, Salamina and Spetses.
Cyclades
Cyclades include about 220 islands, the major ones being Andros, Tinos, Mykonos, Paros, Naxos, Santoríni, Syros, Sifnos, Milos, Amorgos, Antiparos, Anafi, Ios, Kimolos, Kythnos, Folegandros, Serifos, Sikinos, Delos, Kea.
Sporades Islands
Sporades islands include Alonissos, Skiathos, Skopelos, Skyros.
Dodecanese Islands
Dodecanese islands include 12 main islands which are: Astypalaia, Kalymnos, Karpathos, Kasos, Kastellorizo, Kos, Leros, Nisyros, Patmos, Rhodos, Symi, Tilos and 78 minor.
East Aegean Islands
East Aegean Islands include Agios Efstratios, Chios, Ikaria, Lesbos, Lemnos, Oinousses, Psara, Samos and Fournoi.
North East Aegean Islands
The North East part of Greece includes Samothraki and Thasos.