EN
This study analyzes the phenomenon of cross-border integration. The literature do not consider all major conditions of such the phenomenon. The goal of this article, is to present the various conditions of cross-border integration, which are too often ignored by many authors. Firstly, the paper presents an overview of different typologies of border regions depending on the intensity of interaction between them and accounting for the causes of their development. Afterward, the author presents the major conditions of the integration of border regions, in the light of the critical literature review. In the conclusions, the author presents propositions and suggestions for further academic debates on the phenomenon of cross-border integration.