Army Group German Crown Prince (German Empire)

The Army Group German Crown Prince or Army Group B (German: Heeresgruppe Deutscher Kronprinz) was an Army Group of the German Army, which operated on the Western Front under command of Wilhelm, German Crown Prince, between 1 August 1915 and 11 November 1918 during World War I.

Composition (1 August 1915 – April 1917)

 * German 5th Army (Wilhelm, German Crown Prince then Ewald von Lochow then Max von Gallwitz)
 * German Armee-Abteilung A (Ludwig von Falkenhausen then Karl Ludwig d'Elsa then Bruno von Mudra)
 * German Armee-Abteilung B (Hans Gaede then Erich von Gündell)
 * German Armee-Abteilung C (Hermann von Strantz then Max von Boehn)
 * German 3rd Army (Karl von Einem) : 26 September - 7 December 1915 and again since July 1916

Composition (April 1917 – February 1918)

 * German 7th Army (Max von Boehn)
 * German 1st Army (Fritz von Below)
 * German 3rd Army (Karl von Einem)
 * German 5th Army (Max von Gallwitz)

Composition (4 February 1918 – 11 November 1918)

 * German 18th Army (Oskar von Hutier) : except 12 August - 8 October 1918
 * German 7th Army (Max von Boehn then Magnus von Eberhardt)
 * German 1st Army (Fritz von Below then Bruno von Mudra then Otto von Below then Magnus von Eberhardt)
 * German 3rd Army (Karl von Einem)