| Total area | No authoritative open source found |
| Exclusive economic zone (EEZ) | No authoritative open source found |
| Administrative divisions (ADM1) | No authoritative open source found |
| Location | southeast and east of Africa, islands in the southern Indian Ocean, some near Madagascar and others about equidistant between Africa, Antarctica, and Australia; note - French Southern and Antarctic Lands include Ile Amsterdam, Ile Saint-Paul, Iles Crozet, Iles Kerguelen, Bassas da India, Europa Island, Glorioso Islands, Juan de Nova Island, and Tromelin Island in the southern Indian Ocean, along with the French-claimed sector of Antarctica, "Adelie Land"; the US does not recognize the French claim to "Adelie Land"CIA World Factbook [2025] · 2026 archive |
| Coastline | Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul): 28 km Ile Saint-Paul (Ile Amsterdam et Ile Saint-Paul): Iles Kerguelen: 2,800 km Bassas da India (Iles Eparses): 35.2 km Europa Island (Iles Eparses): 22.2 km Glorioso Islands (Iles Eparses): 35.2 km Juan de Nova Island (Iles Eparses): 24.1 km Tromelin Island (Iles Eparses): 3.7 kmCIA World Factbook [2025] · 2026 archive |
| Land boundaries | 0 kmCIA World Factbook [2025] · 2026 archive |
| Bordering countries | No authoritative open source found |
| Terrain | Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul): a volcanic island with steep coastal cliffs; the center floor of the volcano is a large plateauIle Saint-Paul (Ile Amsterdam et Ile Saint-Paul): triangular in shape, the island is the top of a volcano, rocky with steep cliffs on the eastern side; has active thermal springsIles Crozet: a large archipelago formed from the Crozet Plateau is divided into two groups of islandsIles Kerguelen: the interior of the large island of Ile Kerguelen is composed of high mountains, hills, valleys, and plains with peninsulas stretching off its coasts Bassas da India (Iles Eparses): atoll, awash at high tide; shallow (15 m) lagoonEuropa Island, Glorioso Islands, Juan de Nova Island: low, flat, and sandyTromelin Island (Iles Eparses): low, flat, sandy; likely volcanic seamountCIA World Factbook [2025] · 2026 archive |
| Climate | Ile Amsterdam et Ile Saint-Paul: oceanic with persistent westerly winds and high humidity Iles Crozet: windy, cold, wet, and cloudy Iles Kerguelen: oceanic, cold, overcast, windy Iles Eparses: tropicalCIA World Factbook [2025] · 2026 archive |
| Natural resources | fish, crayfish, note, Glorioso Islands and Tromelin Island (Iles Eparses) have guano, phosphates, and coconuts; note: in the 1950's and 1960's, several species of trout were introduced to Iles Kerguelen of which two, brown trout and brook trout, survived to establish wild populations; reindeer were also introduced to Iles Kerguelen in 1956 as a source of fresh meat for whaling crews -- the herd today, one of two in the Southern Hemisphere, is estimated to number around 4,000CIA World Factbook [2025] · 2026 archive |
| Highest point | Mont de la Dives on Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul) 867 mCIA World Factbook [2025] · 2026 archive |
| Lowest point | Indian Ocean 0 mCIA World Factbook [2025] · 2026 archive |
| Mean elevation | No authoritative open source found |
| Area (comparative) | Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul): less than one-half the size of Washington, D.C. Ile Saint-Paul (Ile Amsterdam et Ile Saint-Paul): more than 10 times the size of the National Mall in Washington, D.C. Iles Crozet: about twice the size of Washington, D.C. Iles Kerguelen: slightly larger than Delaware Bassas da India (Iles Eparses): land area about one-third the size of the National Mall in Washington, D.C. Europa Island (Iles Eparses): about one-sixth the size of Washington, D.C. Glorioso Islands (Iles Eparses): about eight times the size of the National Mall in Washington, D.C. Juan de Nova Island (Iles Eparses): about seven times the size of the National Mall in Washington, D.C. Tromelin Island (Iles Eparses): about 1.7 times the size of the National Mall in Washington, D.C.CIA World Factbook [2025] · 2026 archive |
| Natural hazards | Ile Amsterdam and Ile Saint-Paul are inactive volcanoes; Iles Éparses are subject to periodic cyclones; Bassas da India is a maritime hazard because it is under water for three hours before and after high tidevolcanism: Reunion Island - Piton de la Fournaise (2,632 m), which has erupted many times in recent years, is one of the world's most active volcanoes; although rare, eruptions outside the volcano's caldera could threaten nearby citiesCIA World Factbook [2025] · 2026 archive |
| Maritime claims | territorial sea: 12 nm; exclusive economic zone: 200 nm from Iles Kerguelen and Iles Eparses (does not include the rest of French Southern and Antarctic Lands); Juan de Nova Island and Tromelin Island claim a continental shelf of 200-m depth or to the depth of exploitationCIA World Factbook [2025] · 2026 archive |