Walls, known locally as Waas, (Old Norse: Vagar = "Sheltered Bays" (voes) - the Ordnance Survey added the "ll" as they thought it was a corruption of "walls". Cf Vágar and Vágur in the Faroe Islands), is a settlement on the south side of West Mainland, Shetland Islands in Scotland. The settlement is at the head of Vaila Sound and sheltered even from southerly storms by the islands of Linga and Vaila. Walls is within the parish of Walls and Sandness.
Walls is a parish on the west Mainland of Shetland, comprising the ancient parishes of Walls, Sandness, Papa-Stour, and Flouta, and including the inhabited islands of Papa-Stour, Vaila, Linga, and Foula.