Where in the world?
The flag of Mauritania has a green field with a thin red horizontal band at the top and bottom of the field. At the center of the field is a five-pointed yellow star above an upward facing yellow crescent.

Mauritania

Native Name:
موريتانيا
Population:
4,927,532
Region:
Africa
Sub Region:
Western Africa
Capital:
Nouakchott
Top Level Domain:
.mr
Currencies:
Mauritanian ouguiya

Border Countries: