The following outline is provided as an overview of and topical guide to Tristan da Cunha: . Tristan da Cunha – group of remote volcanic islands in the south Atlantic Ocean, 2,816 km (1,750 mi) from South Africa and 3,360 km (2,090 mi) from South America.It is part of the British Overseas Territory of St Helena, Ascension and Tristan da Cunha; Saint Helena itself is 2,430 km (1,510 mi) to

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