The Battle of Berlin, designated as the Berlin Strategic Offensive Operation by the Soviet Union, and also known as the Fall of Berlin, was one of the last major offensives of the European theatre of World War II.

Army Group Vistula was an Army Group of the Wehrmacht, formed on 24 January 1945. It lasted for 105 days, having been put together from elements of Army Group A, Army Group Centre, and a variety of new or ad hoc formations. It was formed to protect Berlin from the Soviet armies advancing from the Vistula River.