Outer Islands (Seychelles)
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The Outer Islands is a collective term for those islands of the Seychelles that are not on the shallow Seychelles Bank (Seychelles Plateau) which defines the location of the Inner Islands. They are located at distances of 230 to 1150 km from the main Seychelles island of Mahé, and are all of coral formation. The local name for the islands is Zil Elwannyen Sesel. The islands are outside the administrative and electoral Districts of Seychelles.
The Outer Islands are comprised of five groups:
- Southern Coral Group (Île Platte and Coëtivy Island), land area 10 km²
- Amirante Islands (3 atolls, 5 single sand cays, 3 uplifted sand cays), land area 10 km²
- Alphonse Group (Alphonse Atoll and St. François Atoll (Bijoutier-St. François)), land area 2 km²
- Aldabra Group (Aldabra Atoll, Assumption Island, Cosmoledo Atoll, Astove Island), land area 176 km²
- Farquhar Group (Farquhar Atoll, Providence Atoll (Providence-Cerf), St. Pierre Island), land area 11 km²
The Outer Islands comprise 211.3 km² (46% of the total land area of the Seychelles), but less than 2% of the population of the Seychelles. Eleven islands are inhabited, with the largest settlement on Coëtivy Island.
The coral islands are flat with elevated coral reefs at different stages of formation. There are no natural fresh water sources on these islands and they can sustain human life only with difficulty.
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