Abstract: The study area (Mirabad) is located between 36°, 55’ to 37° north latitude and 45°, 05' to 55°,44' east longitude in west Azerbaijan province. In this study, Flora of this region was determined by using available references. We encountered 192 species that belongs to 126 genera and 41 families. The largest family of region is Asteraceae with 31 sp. and the largest Genera is Astragalus with 7 sp. The main life forms are: Hemicryptophyte with 30.2% and Therophyte with 28.1%. The most extended chorotype with 62.5% is related to: Irano_ Turanian.