The article continues the analysis of the social and economical development of the Baltic Sea region, conducted by Baltic Center for
Advanced Studies and Education (BaltCASE) in frames of the research project «Russia and EU: Past, Present, Future».

The article explores the development of the transboundary spatial planningn as the key aspects of cross-border cooperation in the Baltic Sea region.

The article is devoted to the study of euroregional development hystory. It also explores the analysis of foreign countries experience in crossborder cooperation. Importance of Euroregions is identified. Euroregion «Baltic» and the Balic euroregional network.