"Regionalism" and "regionalization": the constitutional and legal meaning of concepts
The works of Russian and foreign scientists from different fields of knowledge the concept of «regionalization» and «regionalism» act as a multifaceted and multidimensional phenomen. Analysis of the scientific point of view and legal instruments can detect the spread of interpretations, identification or their substitution in legal research, the lack of a common approach to the problem. The article presents an attempt to identify the constitutional legal content of these concepts, as well as the formulation of branch of constitutional law in general.