Rockfalls in the Republic of Croatia are very common occur r ence , especially on the roads along the Adriatic coast. This t hesis deals with the characteristic features of rockfalls and what measures are taken to prevent their occurrence on the territory of the Republic of Croatia . In the first chapter , general information is given about rockfalls and the factors that cause its occurrence , also the type of terrain of Croatia is described that is susceptible to the occurrence of rockfalls. The second chapter gives us an insight into the input da t a and analyses that need to be carried out before the development of the main rockfall repair project and its protection. The third chapter deals with the most common types of rockfall protections in the Croatia and presents the advantages and disadvantages of individual protection systems. The last, fourth, chapter presents the largest landsides that occurred at certain locations in Croatia and describes their successful re mediation and selected prote ction that should prevent their future oc c urrence.