Mauritania
From LSJ
ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
Mauritānĭa (Mauretānĭa), æ, f. (Μαυριτανία), Mauritanie [partie occidentale de l’Afrique] : Cæs. C. 1, 6, 3 ; Cic. Sulla 56 ; Tac. H. 1, 11 ; Plin. 5, 2.