The following thesis presents an empirical investigation of hybrid war in eastern Ukraine, drawing on the insights from Actor- Network Theory and New Type Wars theory. Taking a different route in studying a complex phenomenon of hybrid war, this study focuses on the social-material networks which constitute the hybrid war. This thesis aims to identify the actors and analyse their interactions at different stages of war. Actor-Network Theory will be used in this research to ask the questions, what role do the non-human actors play in hybrid warfare in eastern Ukraine, and how do they affect the dynamics of war. Highlighting the significance of non-human actors, this thesis aims to contribute to the existing literature on hybrid warfare in eastern Ukraine and thus shed light on the peculiarities of this phenomenon.