The flag of Azerbaijan is the national flag of Azerbaijan. It consists of three equal horizontal bands colored blue, red, and green, with a white crescent and an eight-pointed star (Rub El Hizb) are centered in the red band. The blue band refers to the Turkic heritage, the red is for progress and Europeanisation and the green refers to Islam.
The official colours and size were adopted on February 5, 1991, since then the flag is referred to in the Constitution and is mentioned two times in the national anthem. The flag is used on land, as the civil, state and war flag, at sea, as the civil, state and naval ensign and naval jack.