Madach Tradehouse is a location that is found in Gnisis in The Elder Scrolls III: Morrowind. Amongst its most notable members is Darius, the head of the Imperial Legion in Gnisis.
The tradehouse is a tavern for the Imperial Legion in Morrowind. One can come here to join the Legion, as well as buy goods from the merchant & Thieves Guild member Fenas Madach.
Once the Nerevarine has joined the Imperial Legion, Darius of the Gnisis outpost will ask them to obtain a land deed from the Widow Vabdas, whose husband was killed in the Gnisis Eggmine.
Cure the Kwama Queen located within the Gnisis Eggmine.
Locate and rescue Madura Seran from Ashlanders.
Locate and rescure Ragash gra-Shuzgub from Arvs-Drelen.
Investigate the cult to discover what plots they have planned.