The aim of the thesis was to find the process of agenda-setting the politics of fight against extremism in the year 2009. The whole problems are researched on the basis of the Multiple Stream Theory by American scientist J. W. Kingdon and its particular modification by Nikolaos Zahariadis. This theory is based on the existence of three streams with independent development. That is problem stream, politics stream and policy stream. Under specific circumstances the three streams clash and in this case a policy window is going to be opened. Opening of the policy window is a sign for policy entrepreneurs who can influence the agenda-setting of new politics. Agenda setting takes place in the Windows called Coupling. In the context of agenda setting of the politics of fight against extremism the Problem Window is the most important. This window is created by various right wing extremist groups and its activity. The Politics Stream is created by the ideology of political parties and National Mood. The ideology of relevant political parties doesn't play any significant roles. The right wing political parties are included in the Problem Window and others relevant political parties have collective concern about rejection the manifestation of right extremism and they also have a unified interest on its...