Location of Tristan da Cunha in the South Atlantic Ocean.

Tristan da Cunha (pron.: /ˈtrɪstən də ˈkuːnə/) is a remote volcanic group of islands in the south Atlantic Ocean and the main island of that group. It is the most remote inhabited archipelago in the world, lying 2,816 kilometres (1,750 mi) from the nearest land, South Africa, and 3,360 kilometres (2,088 mi) from South America.^[2] The territory consists of the main island of Tristan da Cunha itself, which measures about 11.27 kilometres (7.0 mi) across and has an area of 98 square kilometres (37.8 sq mi), along with the uninhabited Nightingale Islands and the wildlife reserves of Inaccessible Island and Gough Island.

• http://en.wikipedia.org/wiki/Tristan da Cunha