|This article needs additional citations for verification. (December 2009) (Learn how and when to remove this template message)|
The municipality is divided in 10 naselja:
to be expanded
Until 1918, Oriovac (named ORIOWACZ before 1850) was part of the Austrian monarchy (Kingdom of Croatia-Slavonia after the compromise of 1867), in the Slavonian Military Frontier, Gradiskaner Regiment N°VIII before its dissolution in 1881.
- Handbook of Austria and Lombardy-Venetia Cancellations on the Postage Stamp Issues 1850-1864, by Edwin MUELLER, 1961.
- "Population contingents, by towns/municipalities, Census 2001: County of Slavonski Brod-Posavina". Croatian Bureau of Statistics. Retrieved November 23, 2010.
|This Brod-Posavina County geography article is a stub. You can help Wikipedia by expanding it.|