Where in the World?
The flag of Bangladesh has a dark green field bearing a large red circle that is offset slightly towards the hoist side of center.

Bangladesh

Native Name: বাংলাদেশ
Population: 169,828,911
Region: Asia
Subregion: Southern Asia
Capital: Dhaka
Top Level Domains: .bd
Currencies: Bangladeshi taka
Languages: Bengali
Border Countries: