Germany, Bulgaria and the Ottoman Empire.
Germany and Ottoman Turkey
Joined the Allies.
They were:GermanyThe Ottoman EmpireHungaryBulgaria
Germany and Italy
Germany, Italy, Japan and Hungary/Austria.
Germany, Bulgaria, and the Ottoman Empire.
Austria-Hungary and Bulgaria were Germany's allies.
Germany,Austria,Hungry and the allies .
Germany was in an alliance with Austria-Hungary and Italy.
Austria. They had been allies in WW1, but the Treaty of Versailles forbade their union after World War I.
If you mean who Germany's allies were. Japan, Austria, and spain were their biggest allies.