Gallidurth was a Dungeandar drow city state of northern Kazrrad.
A center of peregrination of the Cult of Lolh, each of the Houses of the city, both the ruling ones and minors, sought to worship their deity building temples and shrines: House to the University of Lolh, it was as well house to many sects and heresies of the Cult of Lolh, which often will make the city bleed internally.
By the middle human age, it had some 16.000 inhabitants.