Sirba Abbay is one of the 20 Districts of Ethiopia, or woredas, in the Benishangul-Gumuz Region of Ethiopia. Part of the Kamashi Zone, Sirba Abbay is bordered by the Oromia Region on the southwest, by Asosa Zone and Sudan on the west, by the Abay River on the north and east which separates it from the Metekel Zone, and by Agalo Mite on the southeast. This woreda is located on the southern slopes of the Abay River, with elevations ranging from approximately 2500 meters above sea level in the south to just under 1000 meters at the bottom of the Abay valley.