The nation-states are considered to have sovereign control over their territories. However, in weak states, empirical sovereignty of the state is questioned by several actors inside of it, especially in respect of the idea of the state. Insecurities caused by weak states such as terrorism, organized crime, refugee flows, mass migration and regional instability have a spill-over effect. For the moment wars were over in the Balkans region, but insecurities caused by weak states structures constitute an important concern for stability of the Balkans. The main aim of this paper will be to argue that a comprehensive rethinking is required to examine security situation of the region. In this context, the concept of weak state should be given priority in assessing the security predicament of the Balkans