Greece has a large number of islands, with estimates ranging from somewhere around 1,200 to 6,000, depending on the minimum size to take into account. The number of inhabited islands is variously cited as between 166 and 227.
The largest Greek island by area is Crete, located at the southern edge of the Aegean Sea. The second largest island is Euboea, which is separated from the mainland by the 60m-wide Euripus Strait, and is administered as part of the Central Greece region. After the third and fourth largest Greek Islands, Lesbos and Rhodes, the rest of the islands are two-thirds of the area of Rhodes, or smaller.
The Greek islands are traditionally grouped into the following clusters: the Argo-Saronic Islands in the Saronic gulf near Athens; the Cyclades, a large but dense collection occupying the central part of the Aegean Sea , the North Aegean islands, a loose grouping off the west coast of Turkey. the Dodecanese, another loose collection in the southeast between Crete and Turkey. the Sporades, a small tight group off the coast of Euboea and the Ionian Islands, chiefly located to the west of the mainland in the Ionian Sea. Crete with its surrounding islets and Euboea are traditionally excluded from this grouping.
Saronic Islands : Inhabited islands : Aegina , Agistri , Dokos , Hydra , Poros , Salamina , Spetses
Northern Sporades : Main islands : Alonissos , Skiathos , Skopelos , Skyros
Other islands and islets : Adelfoi Islets , Agios Georgios Skopelou , Arko Skiathou
Aspronisi Skiathou , Dasia , Erinia (Rineia Skyrou) , Gioura , Grammeza , Korakas Alonissou , Kyra Panagia , Lekhoussa , Manolas Alonissou , Maragos Skiathou ,Peristera
Piperi , Polemika Alonissou , Praso Skantzouras , Psathoura , Repio , Sarakino , Skandili
Skantzoura , Skyropoula , Tsougria , Tsougriaki , Valaxa ,
Ionian Islands : Main seven : Cephalonia , Corfu , Ithaki or Ithaca , Kythira , Lefkada , Paxi , Zakynthos , Others : Antikythera , Antipaxi , Arkoudi , Atokos , Diaplo , Drakonera , Elafonissos , Ereikoussa , Kalamos , Kalogiros , Karlonisi , Kastos ,
Kravia , Kythros , Lamprinos , Lazaretto , Madouri , Makri , Makropoula , Mathraki
Meganisi Modia Islets : Omfori , Othonoi , Oxeia , Petalas , Pistros , Pontikos , Provati
Skorpios , Skorpidi , Sofia , Sparti Lefkados , Strofades , Thilia , Vidos , Vromonas
Dodecanese Islands : 164 total islands of which 26 are inhabited.
Main 12 islands : Astypalaia , Kalymnos , Karpathos , Kasos , Kastellorizo (Megisti)
Kos , Leros , Nisyros , Patmos , Rhodos , Symi , Tilos
Minor islands : Adelfoi Islet , Agathonissi , Agioi Theodoroi Halkis , Agreloussa , Alimia , Antitilos , Anydros Patmou , Arefoussa , Arhangelos , Arkoi , Armathia , Astakida , Faradonesia , Farmakonisi , Fokionissia , Fragos , Gaidourosnissi Tilou , Glaros Kinarou
Gyali , Halavra , Halki , Hiliomodi Patmou , Hondro , Htenies , Imia , Kalavros Kalymnou
Kalolimnos , Kalovolos , Kamilonisi , Kandeloussa , Karavolas Rodhou , Kinaros , Koubelonisi , Kouloundros , Kouloura Leipson , Kounoupoi , Koutsomytis , Leipsoi , Levitha , Makronisi Leipson , Makronissi Kasou , Makry Aspronisi Leipson ,Makry Halkis
Marathos , Marmaras , Mavra Levithas , Megalo Aspronisi Leipson , Megalo Glaronisi , Megalo Sofrano , Mesonisi Seirinas , Mikro Glaronisi , Mikro Sofrano , Nero , Nimos
Paheia Nisyrou , Pergoussa , Piganoussa , Pitta , Plati Kasou , Plati Pserimou , Plati Symis
Pontikoussa , Prasonissi Rodhou , Prasouda , Pserimos , Rho , Safonidi , Saria , Seirina , Sesklio , Stroggyli , Stroggyli Kastellorizou , Strogulli Kritinias , Strogyli Kasou , Syrna
Telendos , Tragonisi , Zaforas
The Cyclades : Cyclades comprise around 220 islands
Main islands : Amorgos , Anafi , Andros , Antiparos , Delos , Donoussa , Folegandros
Gyaros , Ios , Iraklia , Kea , Keros , Kimolos , Koufonisia , Kythnos , Makronissos , Milos , Mykonos , Naxos , Paros , Polyaigos , Santorini/Thera , Schoinoussa , Serifos
Sifnos , Sikinos , Syros , Thirasia , Tinos
Other islands and islets : Agios Nikolaos Donoussas , Ananes , Ano Antikeros , Antimilos
Anydros Amorgou , Askania , Despotiko , Eschati , Glaronisi , Gramvoussa , Hristiana
Htapodia Mykonou , Kalogiros , Kardiotissa , Kato Antikeros , Kato Koufonisi , Kitriani , Kramvoniss , Lagousa , Liadi Island , Makares , Megalo , Nea Kameni , Nikouria , Pahia Anaphis , Palea Kameni , Rhineia , Saliagos , Serifopoula , Stroggyli Parou , Vous
Cretan islands : This is a list of islands, islets, and rocks that surround the island of Crete.
Of the Aegean Sea : Afendis Christos , Agia Varvara (island) , Agioi Apostoloi , Agioi Pandes , Agioi Theodoroi , Agios Nikolaos , Anavatis , Antimilos , Arnaouti , Aspros Volakas , Avgo , Crete , Daskaleia , Dia , Diapori , Dionysades , Dragonada , Elasa
Ftena Trachylia , Gianysada , Glaronisi , Gramvousa, Agria , Gramvousa, Imeri , Grandes , Kalydon (Spinalonga) , Karavi , Karga , Katergo , Kavallos , Kefali , Kolokythas , Koursaroi , Kyriamadi , Lazaretta , Leon , Mavros , Mavros Volakas
Megatzedes , Mochlos , Nikolos , Palaiosouda , Paximada , Paximadaki , Peristeri
Peristerovrachoi , Petalida , Petalouda , Pontikaki , Pontikonisi , Praso Kissamou , Prosfora , Pseira , Sideros , Souda , Valenti , Vryonisi
The islet of Leon, on the left, next to the larger islet of Souda, within Souda bay . The islet of Pontikonisi (mouse island) which has the shape of a mouse.
Of the Libyan Sea : Agia Eirini , Agriomandra , Ammoudi tous Volakous , Artemis , Chrysi , Elafonisi , Fotia , Gaidouronisi , Gavdopoula , Gavdos , Koufonisi (Lefki)
Loutro , Makroulo , Marmaro , Megalonisi , Mikronisi , Papadoplaka , Paximadia , Prasonisi, Gavdou , Prasonisi, Rethymnou , Psarocharako , Psyllos , Schistonisi , Strongyli , Thetis , Trachilos , Trafos , Treis Volakous
Euboea and surrounding islands : Euboea , Atalanti , Hersonisi , Kavalliani , Lichades , Lithari , Mandilou , Manolia , Megalos Petalios , Petalioi , Stouronisi
Islets close to mainland : Alatas Trikeriou , Ammouliani (Chalkidiki) , Antitrikeri (Thessaly) , Elafonisos (Peloponnese) , Kefalonia (islet) , Kelifos (Chalkidiki) , Paleo Trikeri (Thessaly) , Proti Island (Peloponnese) , Sapientza (Peloponnese) , Schiza (Peloponnese) , Sphacteria (Peloponnese) , Trizonia island (Central Greece) Pera Island (Arta – Epirus )
Lake and river islands : Agios Achilleios (Small Prespa Lake) , Ioannina Island (Pamvotida) , Vidronisi (Small Prespa Lake) , Islands in an island , Marathi Island (Marathi Lake (reservoir) in Mykonos, 37°28’00.8″N, 25°21’31.9″E)
Lagoon islands : Aitoliko (Aitoliko Lagoon)
Dolmas (Missolonghi Lagoon) , Kleisova (Missolonghi Lagoon) , Prokopanistos (Missolonghi Lagoon) , Vasiladi (Missolonghi Lagoon) , Tourlida (Missolonghi Lagoon)
