This article describes and analyses trans-national cooperation of right-wing extremist parties and movements in East-Central Europe. It deals with contacts and organizations of various extreme right actors within various fields (a. o. education, subcultures etc.). It comes to the conclusion that the impact of Western (German, American, British) extreme right as well as Eastern extreme right on East Central European scene is strong and this fact determines transnational contacts. Regional and bilateral cooperation plays an important role