AREA 1
The area of sea below mean high water springs enclosed by a line starting at a point on the south coast of the Orkney Mainland at (58.95072°) 58°57'03" North latitude (−3°) 3° West longitude; then north, east and south along the shoreline including Scapa Bay and St Marys Bay, then continuing south, east and west along the Churchill Barrier causeway and Lamb Holm, then continuing south, east and west along the Churchill Barrier causeway and Glimps Holm, then continuing south, east and west along the Churchill Barrier causeway and Echnaloch Bay, then continuing west, south, and east along the shoreline of the island of Burray, then continuing south, east and west along the Churchill Barrier causeway, Knockhall Point and Needle Point to a point on the north coast of South Ronaldsay at (58.83019°) 58°49'49" North latitude (−3°) 3° West longitude; then north to the point of beginning.