The town of Moulay Idriss, or Moulay Idriss Zerhoune, is spread over two hills at the base of Mount Zerhoun, approximately 3.5 km/2 miles from Volubilis. The town was settle by Idris I, founder of the Idrisid dynasty settled when he came to Morocco in 789/172 AH. Numerous sacred sites are located there, the most important of which is the mausoleum of Idris I, just off the main square. Because of it, the village is a national pilgrimage site, and until 2005 non-Muslims were not allowed in the village after sunset.
Sources: Barrucand, Marianne
. "Idrisid." Grove Art Online
. Oxford Art Online
. Oxford University Press
, accessed January 16, 2014
Touri, Abelaziz. "Apercu Historique."
In Le Maroc andalou: à la découverte d'un art de vivre,
36-37. Casablanca: Editions Eddif ; Aix-en-Provence: Edisud, 2000.