Additional "Einsatzgruppen" were created as additional territories were occupied. "Einsatzgruppe" E operated in Independent State of Croatia under three commanders, SS-"Obersturmbannführer" , SS-"Standartenführer" Günther Herrmann, and lastly SS-"Standartenführer" Wilhelm Fuchs. The unit was subdivided into five "Einsatzkommandos" located in Vinkovci, Sarajevo, Banja Luka, Knin, and Zagreb. "Einsatzgruppe" F worked with Army Group South. "Einsatzgruppe" G operated in Romania, Hungary, and Ukraine, commanded by SS-"Standartenführer" . "Einsatzgruppe" H was assigned to Slovakia. "Einsatzgruppen" K and L, under SS-"Oberführer" Emanuel Schäfer and SS-"Standartenführer" Ludwig Hahn, worked alongside 5th and 6th Panzer Armies during the Ardennes offensive. Hahn had previously been in command of "Einsatzgruppe Griechenland" in Greece.