"The paper will intend to uncover the links between the identity of the body and the app; opr iation of places to live in, which happen to be two important and complementary notions in architec tural psychology. First of all, the notion of identity will be analysed according to several psychological and sociological schools of thought. Then, the different levels of the "Appropriation of places will be des cubed, all of them considered as expressions of the psycho-social identity of the body. Finally, and as a result of all those state ments, The paper will consider architectural design, both as a proposal of transformation of the environment, and as an expression of the identity of the body."