the battle of Stalingrad was in late 42, after Germany's defeat, they retreated west back to Germany. A last German offensive at Kursk failed in the summer of 1943. The Soviets pushed the Germans back to the banks of the Dnieper River in 1943 and then, by the summer of 1944, to the borders of East Prussia. In January 1945, a new offensive brought Soviet forces to the banks of the Oder, in eastern Germany. From their bridgehead across the Oder River, Soviet forces launched a massive final offensive toward Berlin in mid-April 1945. The German capital was encircled on April 25. That same day, Soviet forces linked up with their American counterparts attacking from the west at Torgau, on the Elbe River in central Germany.
the quick answer is home.