Army East Prussia () was created from the AOK 2nd Army and also absorbed the remnants of the 4th Army on 7 April 1945. AOK Ostpreußen controlled all the troops in East Prussia and West Prussia. After the loss of the cities of Danzig and Gotenhafen in the East Prussian Offensive the army had been isolated in the Bay of Gdansk.
Commanding officers
Commander-in-Chief
Chief of the General Staff
Generalmajor Robert Macher
1st Operations officer
Oberstleutnant i.G. Wolfgang Brennecke
Composition
VI Corps (General Horst Großmann) XXVI Corps (General Gerhard Matzky) Generalkommando Hela XXIII Corps (General Walter Melzer) LV Corps / 'Fortress Pillau' (Lieutenant-General Kurt Chill) IX Corps (General Rolf Wuthmann) XVIII Mountain Corps (General Friedrich Hochbaum) 102. Infanterie-Division Division z.b.V. 607 10. Radfahr-Jäger-Brigade