Where in the world?
The flag of Benin features a green vertical band on its hoist side that takes up about two-fifth the width of the field and two equal horizontal bands of yellow and red adjoining the vertical band.

Benin

Native Name: Bénin

Population: 13,224,860

Region: Africa

Sub Region: Western Africa

Capital: Porto-Novo

Currencies: West African CFA franc

Top Level Domain: .bj

Languages: French

Border Countries: NigeriaTogoBurkina FasoNiger