The concept of "group of belongings" plays a central role in the in the psychoanalytic theory of groups developed by Jean-Claude Rouchy (1990; 1998; 2001; 2005). In the article I illustrate the main dimensions of the concept, and I also explore its affinity and its specificity toward two further constructs, the "area of belonging" (Neri, 1979) and the "feeling of belonging" (Correale, 1991; 2006). The analysis of this concept constitutes a good example of conceptual creation and of the epistemological problems involved in it when it entails the migration of concepts from one discipline ‒ such as sociology and social psychology ‒ to another ‒ psychoanalysis in our case. As I highlight, in sociological and psycho-sociological theories the concept of "group of belongings" goes hand in hand with that of "group of refe-rence". The latter, however, has not undergone the same process of "naturalization" (Mos-covici, 1961) of the former. Different characteristics of both concepts may be of interest for the psychoanalysis of groups.
Keywords: Group of belonging, group of reference, area of belonging, feeling of belonging, migration of concepts.