SAO North-Eastern Bosnia

Serbian Autonomous Oblast (SAO) of North-Eastern Bosnia (Српска аутономна област Северо-Источна Босна, Srpska autonomna oblast Severo-Istočna Bosna) was a self-proclaimed Serbian Autonomous Region within today's Bosnia and Herzegovina. It existed between 1991 and 1992, when it became part of Republika Srpska. The main city of North-Eastern Bosnia was Bijeljina. Another name of the region was SAO Semberija and Majevica.