☛Dol Guldur

Dol Guldur ("Hill of Sorcery" in Sindarin), also called "the dungeons of the Necromancer", was a stronghold of Sauron located in the south of Mirkwood. Dol Guldur was originally known as Amon Lanc ("Bald Hill") in Greenwood the Great. It had been the capital of Oropher's Silvan Elves, who had departed north to the Dark Mountains (later known as the Mountains of Mirkwood).