Eilean Donan (Island of Donan) is an island with castle in Loch Duich, Scotland. The island is connected to the mainland by a stone bridge. It is located not far from the village of Dornie. The castle on the island was built about 1200 as a defence against the Vikings. The castle has appeared in many moovies. Eilean Donan is named after Celtic saint St. Donan.