The thesis with the depiction of the Komnenos dynasty's propaganda policy. A brief overview of the historical context of the Byzantine Empire is given, the reigns of Emperors Alexios I, John II, Manuel I and Andronicus I are presented, the concept of the 'Byzantine Renaissance' is defined and the development of the Byzantine army under the Komnenos dynasty is described together with its importance for the establishment of Byzantine hegemony in the Eastern Mediterranean in the 11th and 12th centuries. The work relies on primary sources written during or shortly after the reign of the Komnenos dynasty. Thesis also draws on scholarly literature that talks about economics, the military, the Church and the historical context in which the Byzantine Empire is located in the 11th and 12th centuries, but also relies on literature that speaks about the rule of individual emperors of the Komnenos dynasty. The aim of the thesis is to point out the historical events that marked the rule of the Komnenos dynasty, the propaganda policy implemented by the emperors and in conclusion how successful they were in doing so.