From August 1990 to November 1991, during the

breakup of Yugoslavia The breakup of Yugoslavia occurred as a result of a series of political upheavals and conflicts during the early 1990s. After a period of political and economic crisis in the 1980s, constituent republics of the Socialist Federal Republic of Yu ...

, several Serb Autonomous Regions, or Districts ( sr, Српска аутономна област (САО) / ) were proclaimed in the Yugoslav republics of SR Croatia and SR Bosnia and Herzegovina in light of the possible secession of the republics from the Socialist Federal Republic of Yugoslavia. These were autonomous Serb-inhabited entities that subsequently united in their respective republic to form the Republic of Serbian Krajina in Croatia and the

Republika Srpska Republika Srpska ( sr-Cyrl, Република Српска, lit=Serb Republic, also known as Republic of Srpska, ) is one of the two entities of Bosnia and Herzegovina, the other being the Federation of Bosnia and Herzegovina. It is located ...

in Bosnia and Herzegovina.

SAOs in Croatia

SAO Kninska Krajina The Serbian Autonomous Oblast of Krajina ( sh-Latn-Cyrl, separator=" / ", Srpska autonomna oblast Krajina, Српска аутономна област Крајина) or SAO Krajina () was a self-proclaimed Serbian autonomous region (oblast) wit ...

(later

SAO Krajina The Serbian Autonomous Oblast of Krajina ( sh-Latn-Cyrl, separator=" / ", Srpska autonomna oblast Krajina, Српска аутономна област Крајина) or SAO Krajina () was a self-proclaimed Serbian autonomous region ( oblast) wi ...

) * SAO Eastern Slavonia, Baranja and Western Syrmia (later Eastern Slavonia, Baranja and Western Syrmia) *

SAO Western Slavonia The Serbian Autonomous Oblast of Western Slavonia ( sh-Latn-Cyrl, Srpska autonomna oblast Zapadna Slavonija, Српска аутономна област Западна Славонија) was a Serbian self-proclaimed autonomous region (oblast) ...

SAOs in
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and He ...

The Serb Democratic Party established SAOs in Serb-inhabited territories. Between September–November 1991, six entities had been proclaimed. The Serbs set up their own parliament, having left the Bosnian parliament in October 1991. The Serb parliament proclaimed the "Serb Republic" (

) on 27 March 1992. * SAO Bosnian Krajina, first formed as the Autonomous Region of Krajina) in April 1991. It was the largest region, but after failure to merge with SAO Krajina in Croatia, it was renamed

SAO Bosanska Krajina The Serbian Autonomous Oblast of Bosanska Krajina ( sr, Српска aутономна област Босанска Крајина, Srpska autonomna oblast Bosanska Krajina) was a self-proclaimed Serbian Autonomous Oblast within today's Bosnia ...

in September 1991. *

SAO North-Eastern Bosnia SAO North-East Bosnia ( sr, САО Североисточна Босна / ''SAO Severoistočna Bosna'') was a Serb Autonomous Region ( sr, САО / ''SAO''), a Serb break-away province, in the Yugoslav republic of Bosnia and Herzegovina (SR BiH). ...

formed in September 1991; renamed

SAO Semberija SAO or Sao may refer to: Places * Sao civilisation, in Middle Africa from 6th century BC to 16th century AD * Sao, a town in Boussé Department, Burkina Faso * Saco Transportation Center (station code SAO), a train station in Saco, Maine, U. ...

in November 1991, and

SAO Semberija i Majevica SAO North-East Bosnia ( sr, САО Североисточна Босна / ''SAO Severoistočna Bosna'') was a Serb Autonomous Region ( sr, САО / ''SAO''), a Serb break-away province, in the Yugoslav republic of Bosnia and Herzegovina (SR BiH). ...

in December 1991. *

SAO Northern Bosnia SAO Northern Bosnia ( sr, САО Сјеверна Босна / ''SAO Sjeverna Bosna'') was a self-proclaimed ethnic Serb Autonomous Region ( sr, САО / ''SAO'') in the Socialist Republic of Bosnia and Herzegovina (SRBiH) in the prelude to the ...

, formed in November 1991, never fully controlled its proclaimed territory. *

SAO Ozren-Posavina SAO or Sao may refer to: Places * Sao civilisation, in Middle Africa from 6th century BC to 16th century AD * Sao, a town in Boussé Department, Burkina Faso * Saco Transportation Center (station code SAO), a train station in Saco, Maine, U. ...

, planned from predominantly Bosniak and Croat municipalities in northern Bosnia, but not fully established. *

SAO Romanija The SAO of Romanija ( sr, САО Романија/SAO Romanija) was a self-proclaimed ethnic Serb autonomous region within SR Bosnia and Herzegovina in the prelude to the Bosnian War. It was named after the Romanija mountain. It included part ...

, formed in September 1991, and

SAO Birač The SAO of Romanija ( sr, САО Романија/SAO Romanija) was a self-proclaimed ethnic Serb autonomous region within SR Bosnia and Herzegovina in the prelude to the Bosnian War. It was named after the Romanija mountain. It included part ...

, formed November 1991; combined in November 1991 as

SAO Romanija-Birač The SAO of Romanija ( sr, САО Романија/SAO Romanija) was a self-proclaimed ethnic Serb autonomous region within SR Bosnia and Herzegovina in the prelude to the Bosnian War. It was named after the Romanija mountain. It included part ...

. *

SAO Herzegovina The SAO of Herzegovina ( sr, Српска аутономна област Херцеговина, ) was a self-proclaimed Serbian Autonomous Oblast within today's Bosnia and Herzegovina. It was proclaimed by the Assembly of the Association of Mu ...

(also known as SAO Eastern Herzegovina), formed in September 1991. Srpske autonomne oblasti u Bosni i Hercegovini.png, SAOs in Bosnia and Herzegovina (Autumn 1991) SAO BIH 1991 1992.png, SAOs in Bosnia and Herzegovina (September 1991) Srpske autonomne oblasti u Bosni i Hercegovini u studenome 1991.png, SAOs in Bosnia and Herzegovina (November 1991)

SAOs in Croatia

SAOs in
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and He ...

References

Further reading

SAOs in Croatia

SAOs in Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and He ...

References

Further reading

SAOs in
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and He ...