The State Anti-fascist Council for the National Liberation of Bosnia and Herzegovina ( / Земаљскo aнтифашистичко виjеће народног ослобођења Босне и Херцеговине), commonly abbreviated as the ZAVNOBiH, was convened on 25 November 1943 in Mrkonjić Grad during the World War II Axis occupation of Yugoslavia. It was established as the highest representative and legislative body in the territory of Bosnia and Herzegovina under control of the Yugoslav Partisans.