In this thesis I inquire into the Baltic Sea region. I firstly determine which countries are representing the area in this study. I focus on the character of the relations among the states in the area. In particular I aim at characterizing the peculiar social structure that is present in the Baltic Sea region. The study is framed by the constructivist understanding of the relations among states as shaped by common norms, rules and values. In order to inquire into the Baltic Sea region this study uses the set of concepts of the English School. In particular the region is defined and discussed with the help of the structural English School concept of the international society. Such a concept is used to discuss and interpret the political dyna...