Scientific and theoretical justification of the essence of territories development

. The article presents the scientific and theoretical justification of the essence of territorial development. For the purpose of study and detailed analysis of the «development» concept, the work generalizes existing approaches to development in the context of its goals determining, among which are distinguished: functional-resource, systemic, behavioral, cluster, strategic, scenario. It has been determined that, by meaningful content, development is a complex of changes by which a social system, which oriented on satisfying the basic needs and needs of individuals and population groups moves from a state of general dissatisfaction to new more favorable material and spiritual living conditions. It is substantiated that the effectiveness of a territory development characterizes the region state as a socio-economic system, which will reflect the characteristic features of various economic, social and other phenomena in the process of improving its functioning and in the context of meeting certain social needs. The relationship between ensuring of the territory development and the solution of many territorial socio-economic problems is proved. The key features of the territory development were identified, namely: sustainability and balance. Theories of regional policy are investigated, which were classified into 3 groups: placement theories, regional growth theories and theories of state regulation of economic development. Internal factors of the territory development are identified, among which the most significant influence is: territorial, administrative, economic, institutional, demographic, organizational. An importance of term system building of the territory economic development, which will contribute to the schematization of this concept structure and its more thorough interpretation, is proved.