The article is devoted to the formation and prospective development of the St. Petersburg urban agglomeration on the basis of plans for urban development of territories, long-term forecast for the sustainable socio-economic development of the national economic complex of the city and region

The article discusses the principles of regional policy. The influence of economic integration on the level of socio-economic development of territories is estimated on the basis of an analysis of a group of factors. The main features of the regional policy that meet the needs of the development of territories are considered.