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: 4,649,660
Region: Africa
Subregion: Western Africa
Capital: Nouakchott
Top Level Domains: .mr
Currencies: Mauritanian ouguiya
Languages: Arabic
Border Countries: