Castle Residence of the British royal family in Scotland on the river Dee, 10.5 km/6 1/2 mi NE of Braemar, Grampian region. The castle, built of granite in the Scottish baronial style, is dominated by a square tower and circular turret rising 30 m/100 ft. It was rebuilt 1853-55 by Prince Albert, who bought the estate in 1852.