Bebbanburg is an old name for Bamburgh Castle in Northumberland, England. Bebbanburg is near Lindisfarne Abbey, which was raided by the Vikings in the 8th Century AD. Bebbanburg was home to Northumbrian kings. The town of Bamburgh, England was built around the Castle.
In literature, Bebbanburg is the home of Uhtred, the main character in Bernard Cornwell's The Saxon Stories, starting with The Last Kingdom, and the sequels The Pale Horseman, The Lords of the North, Sword Song, The Burning Land and Death of Kings.
It also features in the book "Ragnarok" by Anne Thackery, and is the home of the main character and heroine, wife of the ruler of Din Guardi. In the book it is referred to as Din Guardi and then is renamed after the heroine's daughter in-law Bebba (wife of her son) , as Bebbanburgh.