This volume examines the specific gender roles in peace and security. The authors analyse the implementation process of United Nations Security Council Resolution 1325 in various countries and discuss systemic challenges concerning the Women, Peace and Security agenda. Through in-depth case studies, the authors shed new light on topics such as the gender-related mechanisms of peace processes, gender training practices for police personnel, and the importance of violence prevention. The volume studies the role of women in peace and security as well as questions of gender mainstreaming by adopting various theoretical concepts, including feminist theories, concepts of masculinity, organizational and security studies. It also highlights regional and transnational approaches for the implementation of the Women, Peace and Security agenda, namely the perspectives of the European Union, NATO, the UN bureaucracy and the civil society. It presents best cases and political advice for tackling theproblem of gender inequality in peace and security.