Flag of Iran
The national flag of the Islamic Republic of Iran (Persian: پرچم ایران), also known as the tricolour (Persian: پرچم سهرنگ ایران), is a tricolour featuring the Pan-Iranian colors comprising equal horizontal bands of green, white and red with the national emblem ("Allah") in red centred on the white band and the takbir written 11 times each in the Kufic script in white, at the bottom of the green and the top of the red band.[1] After the Iranian Revolution of 1979, the present-day flag was adopted on 29 July 1980.
See also: List of Iranian flagsUse
National flag and ensign 
4:7 (de jure) (see below)
7 October 1907 (original version, 1:3 ratio)
1964 (4:7 ratio)
29 July 1980 (current version)
A horizontal tricolour of green, white and red with the National Emblem in red centred on the white band and the Takbir written in the Kufic script in white, repeated 11 times along the bottom edge of the green band and 11 times along the top edge of the red band, for a total of 22 times on the fringe of the bands.
Hamid Nadimi
Many Iranian exiles opposed to the Iranian government as well use the Iranian monarchy tricolour flag with the Lion and Sun at the center,[2] or the tricolour without additional emblems.