Greece
36°24′N 25°24′E
Santorini
Σαντορίνη
Part of Cyclades

Chart
Major islands
Santorini
- Area
- 76 km²
- High point
- 567 m
Santorini, officially Thira or Thera, is a Greek island in the southern Aegean Sea, about 200 km (120 mi) southeast from the mainland. It is the largest island of a small, circular archipelago formed by the Santorini caldera.
Therasia
- Area
- 9.2 km²
- High point
- 294 m
Therasia, also known as Thirasía (Greek: Θηρασία), is an island in the volcanic island group of Santorini in the Greek Cyclades. It lies north-west of Nea Kameni, a small island formed in recent centuries by volcanic activity and thus marking the centre of the island group.
Palea Kameni
- Area
- 0.52 km²
- High point
- 90 m
Palea Kameni, also known as Palia Kameni, is a volcanic island within the Santorini Caldera. The island was formed by a series of volcanic eruptions that formed large deposits of pumice and dacite lavas. The island's name translates to "Old Burnt Island".
Minor islands

Nea Kameni
- Area
- 3.4 km²
- High point
- 134 m

Christiani island
- Area
- 1.1 km²
- High point
- 258 m

Askania
- Area
- 0.24 km²
- High point
- 157 m

Aspronisi
- Area
- 0.13 km²
- High point
- 72 m
Islets
- Unnamed island0.2 ha
- Unnamed island5 m · 0.2 ha
- Unnamed island18 m · 0.2 ha
Rocks & skerries
Also in the area
Inside the group's outline but not confirmed as members by any source.
- Agios Nikolaos0.3 ha
- Unnamed island<0.1 ha
- Unnamed island<0.1 ha
Figures
Comparative heights
- Santorini: 567 m
- Therasia: 294 m
- Christiani: 258 m
- Askania: 157 m
- Nea Kameni: 134 m
- Palea Kameni: 90 m
- Aspronisi: 72 m
To the same scale
Islands by area
| Santorini | 76 km² |
| Therasia | 9.2 km² |
| Nea Kameni | 3.4 km² |
| Christiani island | 1.1 km² |
| Palea Kameni | 0.52 km² |
| Askania | 0.24 km² |
| Aspronisi | 0.13 km² |
| Agios Nikolaos | 0.3 ha |
| Unnamed island | 0.2 ha |
| Unnamed island | 0.2 ha |
| Unnamed island | 0.2 ha |
| Eschati | <0.1 ha |
| Unnamed island | <0.1 ha |
| Kimina | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
| Unnamed island | <0.1 ha |
Groups within
Photographs

Aerial view of Santoríni
Swimming in Palea Kameni Hot Springs

Fishing boat, Korfos harbour, Thirasia, Santorini, Greece.

Caldera view from Megalochori of Santorini... Spring on Santorini...
Sources
Facts
- Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
- Wikidata
- Talus
Photographs
- Santoríni aerial. kallerna / CC BY-SA 4.0
- Palea Kameni Swimming. Mousemaster / Public domain
- Korfos - Thirassia - Thirasia - Santorini - Greece - 16. Norbert Nagel / CC BY-SA 3.0
- Caldera View (4478500875). Klearchos Kapoutsis from Santorini, Greece / CC BY 2.0
- Aegean Sea Wikivoyage Banner. Missvain Original author User:Leonard G. / CC0