Question: Ahmad ibn Ibrahim ibn Ali ibn Munim al-Abdari, was a mathematician, originally from Dénia in Andalusia, he lived and taught in Marrakesh, a major city of which location, where he was known as one of the best scholars in geometry and number theory 
Sentence (from "Marrakesh"): It is the fourth largest city in the country, after Casablanca, Fez and Tangier.
Relevant evidence: No