Friček, Michal.. Changes of geopolitical map of Balkan and their influence on security of the Czech Republic. Prague: Charles University in Prague. Faculty of Social Sciences. 2012. Number of words: 20 435. Number of letters: 125 104. Supervisor: Doc. PhDr. Bořivoj Hnízdo, PhD. This work evaluates objective risks for security of the Czech Republic resulting from geopolitical changes in Balkan according to respective security sectors. It is done specifically in military, social and political security. Evolution of these threats is compared with dynamic of military conflicts on territory of western Balkan. That is base for assessment of adequacy of securitization of these problems on the part of Czech security authorities. Keywords: security of the Czech Republic - Balkan geopolitic