 As John retreated, he split up his army, sending the rump of the IX Armeekorps east to defend Carniola (modern Slovenia) under Ignaz Gyulay.As Ban of Croatia, Ignaz had the authority to muster the Croatian "insurrectio" or militia.With the remainder of his army, John marched northeast toward the Austrian base at Villach and recalled Chasteler from the Tyrol to help defend the frontier.