| Armee-Abteilung Gaede Armee-Abteilung B Army Detachment B | |
|---|---|
 Flag of the Staff of an Armee Oberkommando (1871–1918) | |
| Active | 19 September 1914 – post 11 November 1918 |
| Country |  German Empire |
| Type | Army |
| Engagements | World War I |
Armee-Abteilung Gaede / Armee-Abteilung B (Army Detachment B) was an army level command of the German Army in World War I. It served on the Western Front throughout its existence and formed the extreme left wing (up against the Swiss Border).