Menzoberranzan, the City of Spiders, is a fictional city-state in the world of the Forgotten Realms, a Dungeons & Dragons campaign setting. It is located in the Upper Northdark, about two miles below the Surbrin Vale, between the Moonwood and the Frost Hills (north of the Evermoors and under the River Surbin). It is famed as the birthplace of Drizzt Do'Urden, the protagonist of several series of best-selling novels by noted fantasy author R. A. Salvatore.