St Kilda (Scottish Gaelic: Hiort) is an isolated archipelago 64 kilometres west-northwest of North Uist in the North Atlantic Ocean. It contains the westernmost islands of the Outer Hebrides of Scotland. St Kilda archipelago consists of seven islands - Hirta, Dùn, Soay, Stac Levenish, Stac Lee, Stac an Armin and Boreray.