In this research authors investigate the issue of radicalism and violent extremism, initially examining the meaning of the terms, as well as the essential characteristics of these phenomena. Afterwards, the authors analyse and investigate the emerging forms of radicalism and violent extremism that exist in the territory of the Western Balkans, and their impact on the state of security in the region. The authors continue to study the aspect of the causes and conditions of the emergence of radicalism and violent extremism in this region while outlining the basic guidelines for the prevention of these phenomena at the end of the research. In this concern, the authors particularly emphasise the necessity of cooperation, coordination and strateg...