Facing part of the German 1st Panzer and 8th Armies in the region of Brno, the Soviet 2nd Ukrainian Front numbered 37 rifle divisions, six cavalry divisions, and four tank or mechanized corps. The 2nd Ukrainian Front was expected to advance northwest over the less mountainous country to Prague and would lead its advance with the 6th Guards Tank Army. Soviet allied forces with 2nd Ukrainian Front were the 1st and 4th Romanian Armies, totaling 12 infantry divisions and three cavalry divisions.