The new case was recorded in the province of Ouarzazate, the source added.
Ouarzazate remains the worst-hit province in the region with 473, followed by Midelt (47), Zagora (13), Tinghir (9) and Errachidia (7).
A total of 219 covid-19 patients have recovered in the region, while four people died from coronavirus complications.
A total of 100 new cases of the novel coronavirus were confirmed in Morocco until Tuesday at 10:00 a.m., bringing to 5,153 the total number of covid-19 cases in the kingdom.