Latin designation for the Berber population of Mauretania
Mauri (from which derives the English term "Moors") was the Latin designation for the Berber population of Mauretania, located in the west side of North Africa on the shores of the Mediterranean Sea, Mauretania Tingitana and Mauretania Caesariensis, in present-day Morocco and northwestern Algeria. Name. Mauri (Μαῦροι) by Strabo, who wrote in the early 1st century, as the native name, which was also adopted into Latin, while he cites the Greek name for the same people as Maurusii (Μαυρούσιοι).
https://en.wikipedia.org/wiki/Mauri