B7, Baltic Islands Network - - A co-operation of the 7 largest islands in the Baltic Sea, Bornholm (Denmark), Gotland (Sweden), Hiiumaa (Estonia), Rügen (Germany), Saaremaa (Estonia), Åland (Finland) and Öland (Sweden).
Baltic Sea Seven Island Co-operation Network - - A network of the seven largest islands in the Baltic Sea. Their organization, projects, and information about each of the islands.