The 13th Waffen Mountain Division of the SS Handschar was a Waffen SS Division composed by mostly muslims, with a force of 26,000 men strong. The Division operated with around 23,300 Bosniak muslims and 2,700 croats of christian faith. They operated mostly in the Eastern Front, in Yugoslavia, fighting the communist partisans. The soldiers swore allegiance to Hitler and went on to fight against communists and Allies forces.