The largest mosque in the medina, built in 1808/1222 AH on the site of a 16th c. mosque, close to the Jewish Quarter. 

Sources:

Mazzīn, Muḥammad, and Imḥammad Bin ʻAbbūd.

And

alusian Morocco: Discovery in Living Art

. n.p.: Museum With No Frontiers, 2001.