Austrian Army during the French Revolutionary and Napoleonic Wars
The Imperial-Royal or Imperial Austrian Army (German: Kaiserlich-königliche Armee, abbreviated k.k. Armee), during the French Revolutionary and Napoleonic Wars, was the armed force of the Habsburg monarchy under its last monarch, the Habsburg Emperor Francis II, composed of the Emperor's army.
Source: Wikipedia — Austrian Army during the French Revolutionary and Napoleonic Wars (CC BY-SA 4.0)