This volume aims at an analysis of security perspectives on the Western Balkan countries which reflects military, political and societal, economic and environmental security issues. The first chapter, written by Richard Stojar from University of Defence details military security threats. The second chapter is written by Miroslav Mareš, a security expert from FSS MU, and reflects political-societal issues in the region. The third chapter was authored by Věra Stojarová, who also lectures at FSS MU and deals with economic security. The final chapter was written by Srdjan Prtina and focuses on environmental issues.