Landforms of the South Aegean

The Cyclades (; , ) are an island group in the Aegean Sea, southeast of mainland Greece and a former administrative prefecture of Greece. They are one of the island groups which constitute the Aegean archipelago. The name () refers to the archipelago forming a circle around the sacred island of Delos. The largest island of the Cyclades is Naxos; the most populated, however, is Syros.

Kos or Cos (; ) is a Greek island, which is part of the Dodecanese island chain in the southeastern Aegean Sea. Kos is the third largest island of the Dodecanese, after Rhodes and Karpathos; it has a population of 37,089 (2021 census), making it the second most populous of the Dodecanese after Rhodes. The island measures . Administratively, Kos constitutes a municipality within the Kos regional unit, which is part of the South Aegean region. The principal town of the island and seat of the municipality is the town of Kos.

The Dodecanese (, ; , Dodekánisa , ) are a group of 15 larger and 150 smaller Greek islands in the southeastern Aegean Sea and Eastern Mediterranean, off the coast of Anatolia, of which 26 are inhabited. This island group generally defines the eastern limit of the Sea of Crete. They belong to the wider Southern Sporades island group.

southern portion of the Aegean Sea

sea southeast of Peloponnese, Greece

major volcanic eruption around 1600 BCE

caldera in Thira municipality, Greece

Alimia () or Alimnia (Αλιμνιά) is a Greek island of the Aegean Sea, located in the sea area between Rhodes and Halki, in the complex of the Dodecanese. The surface of the island is and it has a coastline of . The island had a small population until the period of the Second World War, and in recent decades has remained uninhabited.

Kolumbo () is an active submarine volcano in the Aegean Sea in Greece, about northeast of Cape Kolumbo, Santorini (Thira) island. The largest of a line of about twenty submarine volcanic cones extending to the northeast from Santorini, it is about in diameter with a crater across. It was first noticed by humans when it breached the sea surface in 1649–1650. The Smithsonian Institution's Global Volcanism Program treats it as part of the Santorini volcano, though at least one source maintains that it is a separate magmatic system.

marginal sea of the Mediterranean Sea

32 islands and rocks in the Aegean Sea

thumb|right|200px|Prasonisi Lighthouse Prasonisi (also Prassoníssi) cape is a part of the island of Rhodes. It is located 92 km from Rhodes town; 40 kilometers from Lindos, at the southern part of Rhodes.

thumb|Building remnants of the Early Cycladic settlement from the Early Bronze Age or end of Neolithic. Ftelia on Mykonos.

beach in Milos, Greece

village in Mykonos, Greece

small island south of Anafi island, Greece