Vágar (Danish: Vågø) is one of the 18 islands in the archipelago of the Faroe Islands and the most westerly of the large islands. With a size of 178 square kilometres (69 square miles), it ranks number three, behind Streymoy and Eysturoy. Vágar region also comprises the island of Mykines. The Vágar island shape is very distinctive, since on maps it resembles a dog's head. The fjord Sørvágsfjørður is the mouth and the lake Fjallavatn is the eye.