The development gaps existing between individual areas of the European Community were not equalized after realization of the four freedoms and the common market either. From the 1960s, the need for harmonizing the regional policies and then the establishment of the communal regional policy have become more and more pronounced. In the European Union resting on the basis of the European Community, it is still a task of strategic importance to get the less developed regions caught up with the more developed areas. In this treatise, I examine – in relation to regional policy of the EU – the main reasons of the disadvantageous economic situation of Észak-Alföld (Northern Great Plain) re...