The title of the thesis Municipality of Vitez in the war during the nineties refers to its main argument – to represent the shape of ground forces, present the continuous development of events, to create a context in which all of that happens and present a critical thought on everything. The introductory part brings the detailed history of the city, legends about its name, historical processes and events that influenced the mobility of the local residents and their relations to other ethnic groups if possible. The second parts introduces the historical context in which all of the events in Vitez are but a part. It also shows the process of Yugoslavia’s deterioration, actions its residents undertake what are the causes and those actions. The main part presents the most essential events in this thesis. Those are military preparations, problems they face, relations between different nations in Vitez and everything that happens during their conflict. In addition, some events that happen on the higher level of the state are mentioned so it can have proper context.The last part reflects on the role of international community during those events and the state of Vitez area today.