Subantarctic Indian Ocean Islands bioregion
- N/ATotal Land Area (1000 ha)
- 1Number of Ecoregions
- N/AProtection Target
- N/AProtection Level
The Subantarctic Indian Ocean bioregion consists of a chain of four island groupings in the South Indian Ocean, about halfway between the Cape of Good Hope in South Africa and the Antarctic mainland. The islands are unified by one tundra ecoregion – Southern Indian Ocean Islands Tundra  – and surrounding marine areas.
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