What is "posavina"

Posavina may refer to:

• Posavina, a geographical region around river Sava in Croatia, Bosnia and Herzegovina, and Serbia
• Brod-Posavina County, a county in Croatia
• Posavina Canton, a canton in Bosnia and Herzegovina

Posavina is the Slavic name for the region of the Sava river basin in Croatia, Bosnia and Herzegovina, and Serbia that is adjacent or near the Sava river itself.