Purpose - This article aims to present the results of a comprehensive analysis of the determinants of the socio-economic space of Ukraine in the context of applying to them the concept of regionalization.
In the article some perspectives for improving the territorial structure of Ukraine in the legal context and in view of today are being discussed. On the basis of separation of the main problematic aspects of the current territorial structure of Ukraine the regional approach as one possible way during the administrative-territorial reform in the country is being highlighted. The basic criteria for the formation of regions and the need for their consideration at the administrative and territorial division are characterized.
In the article in legal aspect considered regional approach of reforming of the territorial mechanism of Ukraine, as one of the possible options for improvement. Highlighted understanding such multifold category as region. With a glance to historical experience, modern political realities and future prospects, tend was valid for the optimizing of the territorial mechanism of Ukraine, including the feasibility of consolidation of administrative units by the formation of prorated regions.