0 a council area (= area with its own local government) that is a group of islands off northeastern Scotland: --
She had trained as a teacher and did supply teaching for Orkney Islands Council.
Council tax collection levels varied widely, from 85.1% in Glasgow to 97.8% in the Orkney Islands.
One of my aunts, who lived in the Orkney Islands, used to collect wool snagged on fences around sheep fields.
The island is halfway between Shetland and the Orkney Islands.