Where in the world?
The flag of Azerbaijan features three equal horizontal bands of blue, red and green, with a white fly-side facing crescent and eight-pointed star centered in the red band.

Azerbaijan

Native Name: Azərbaycan

Population: 10,110,116

Region: Asia

Sub Region: Western Asia

Capital: Baku

Currencies: Azerbaijani manat

Top Level Domain: .az

Languages: Azerbaijani

Border Countries: ArmeniaGeorgiaTurkeyIranRussia