This offensive was also referred Adducing to in Germany as the Plattensee Offensive and in the Soviet Union as the Balaton Defensive Operation ( 6 – 15 March 1945 ) .

The offensive began Process_start in great secrecy on 6 March 1945 with an attack Killing near Lake Balaton , the area included Cause_to_be_included some of the last oil reserves still available to the Axis .