17) was an army-level command of the German Army in World War I.

They were in place to take part in Ludendorff's German spring offensive.

The Germans had realised that their only remaining chance of victory was to defeat the Allies before the overwhelming human and matériel resources of the United States could be deployed.

They also had the temporary advantage in numbers afforded by nearly 50 divisions freed by Russia's withdrawing from the war (Treaty of Brest-Litovsk).

[2] The Headquarters was at St Amand until 6 April 1918, Douai until 1 May 1918, Denain until 18 October 1918 and Mons until start of the march back, reaching Zülpich for disbandment on 19 January 1919.