Einsatzgruppe Serbia (EG Serbia), initially named Einsatzgruppe Yugoslavia (EG Yugoslavia), was a German Schutzstaffel (SS) grouping in the German-occupied territory of Serbia during World War II. Directly responsible to the Reich Main Security Office (German: Reichssicherheitshauptamt, RSHA) in Berlin, EG Serbia consisted of representatives of the various offices (German: Ämter) of the RSHA, particularly Amt IV – the Gestapo (Secret State Police), Amt V – the Kriminalpolizei (Criminal Police, or Kripo), and Amt VI – the Ausland-Sicherheitsdienst (Foreign Intelligence Service, or Ausland-SD). It also controlled the 64th Reserve Police Battalion of the Ordnungspolizei (Order Police, Orpo). While formally responsible to the Military Commander in Serbia via the head of the administrative bran