The 3rd Corps of the Army of the Republic of Bosnia and Herzegovina was one of five (later 7) corps that comprised the Army of the Republic of Bosnia and Herzegovina. It was established by the order of the Commander of Main Staff of the Bosnian Army Sefer Halilović on 9 November 1992 under Alija Izetbegović. This Corps was formed to unite the rest of the Territorial Defence Force of the Republic of Bosnia and Hercegovina and some Bosnian Special Forces and Civilian Forces.
The Headquarters of the 3rd Corps was in Zenica. It was composed of a number of centers:
Center for operational command which had intelligence on the civilians, MUP-a, which the more important intelligence was given to the command of the 3rd Corps.
Center for relations, the planning of all the relations connection to the 3rd Corps command.
Military Intelligence Service: a service for counter-intelligence, military police, protection of the commands and other objects. The Commander was Ramiz Dugalić.
In February 1993, four operational groups were created under the command of Enver Hadžihasanović, the goal was to connect the 3rd Corps forces on the battlefield and the 3rd Corps Command:
Operational group Bosanska Krajina headquarters in Travnik, Commander at the time Mehmed Alagić
Operational group Lašva in Kakanj,
Operational group Bosna in Žepče or Zavidovići,
Operational group Zapad in Bugojno, Commander Selmo Cikotić
Operational group Visoko in Visoko, later renamed Operational group Istok. This belonged to the 1st Corps, then 6th Corps.