The Oromo Liberation Front (Oromo: Adda Bilisummaa Oromoo, abbreviated: ABO; English abbreviation: OLF) is nationalist organisation formed in 1973 to promote self-determination for the Oromo people inhabiting today's Oromia Region and Oromia Zone in the Amhara Region of Ethiopia. The OLF has offices in Addis Ababa, Washington, D.C. and Berlin from where it operates Amharic and Oromo radio stations.