Dol Guldur, also referred to as the Hill of Dark Sorcery, is a location from The Hobbitused by Sauron. It was visited by Gandalf when he went to confront Sauron when he was using the name "the Necromancer". Three sets have been made depicting scenes at Dol Guldur as it appears in The Hobbit films.
Dol Guldur may refer to the following LEGO sets:
- Lord of the Rings Wiki- http://lotr.wikia.com/wiki/Dol_Guldur