Army Group Ostmark

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Army Group Ostmark
German: Heeresgruppe Ostmark
Active2 April 1945 – 8 May 1945
Country Nazi Germany
Branch Heer ( Wehrmacht)
Only commanderLothar Rendulic

Army Group Ostmark (German: Heeresgruppe Ostmark) was a German army group formed near the end of World War II.

Army Group Ostmark was formed on 2 April 1945 by order of Adolf Hitler from the remnants of Army Group South (Heeresgruppe Süd) and was briefly operational in Austria and the Protectorate of Bohemia and Moravia. Army Group Ostmark was one of the last major German military formations to surrender to the Allies.

The only commander during the army group's 36-day existence was Dr. Lothar Rendulic, who surrendered himself and the army group to the US Army on 8 May 1945 after signing a surrender document at the city of Steyr one day before.


  • Tessin, Georg (1980). Die Landstreitkräfte: Namensverbände / Die Luftstreitkräfte (Fliegende Verbände) / Flakeinsatz im Reich 1943–1945 [Ground forces: Named units and formations / Air forces (Flying units and formations) / Anti–aircraft service in the Reich 1943–1945] (in German). Vol. 14. Osnabrück: Biblio. ISBN 3-7648-1111-0. {{cite book}}: |work= ignored (help)