The new organization of Europe from the beginning of this millennium had suffered and still suffers important changes, affecting the essence of many classical juridical institutes. From the important problems which gained the contemporary scientific investigator’s attention can also be identified the ones referring to: the international forms of cooperation, the development of cooperation and regional integration, the state’s place and its suzerainty, the necessity of democratic values, the development of some elements of the administrative autonomy and problems referring to human rights. The aim of this theme is the research of the institutes which are specific to the administrative autonomy concept in direct correlation with the concept of the state’s sovereignty and also with the relation created between the two concepts in the process of regional European integration. In the frame of this theme it will be analyzed the juridical frame and the doctrinaire concepts regarding the administrative autonomy, component elements of the administrative autonomy. The theme also imposes the achievement of a comparative study referring to the development of the autonomy notion in the context of different forms of state organization, the reports between the administrative autonomy, decentralization and regionalization. The present project tries to answer to a series of questions such as: Which are the specific elements of the administrative autonomy and which are its benefices? What elements of the institutes declared autonomic gave permission to demonstrate their independency? What factors contributes at the brake of the existence of administrative autonomy concept? What factors have stopped the process of self-administration and decision in the frame of a specific territory? What types of groups of interests can affect the development of such a concept?