Tristan da Cunha , colloquially
Tristan, is both a remote group of
volcanic islands in the south
Atlantic Ocean and the main island of that group. It is the
most remote inhabited
archipelago in the world, lying from the nearest inhabited land,
Saint Helena, from the nearest continental land,
South Africa, and from
South America. The territory consists of the main island, also named Tristan da Cunha, which has a north–south length of and has an area of , along with the smaller, uninhabited
Nightingale Islands and the wildlife reserves of
Inaccessible and
Gough Islands.