Baltic Sea Gulf of Riga, and the Bay of Gdańsk. The Baltic Proper is bordered on its northern edge, at the latitude 60°N, by the Åland islands and the Gulf of Bothnia, on its northeastern edge by the Gulf of Finland, on its eastern edge by the Gulf of Riga, and in the west by the Swedish part of the southern Scandinavian Peninsula. The Baltic Sea is connected by artificial waterways to the White Sea via the White Sea Canal and to the German Bight of the North Sea via the Kiel Canal. Administration The Helsinki Convention on the Protection of the
Baltic Sea watchtower, Börgerende Baltic Sea watchtower, Börgerende The Baltic Sea watchtower () in Börgerende is an old watchtower that belonged to the Coastal Brigade ("Grenzbrigade Küste") of the East German Border Troops. As a maritime border observation tower (of type BT 11) it belonged to a series of originally 27 towers of this type on the Baltic Sea coast of East Germany, of which two have survived. The other remaining tower is in Kühlungsborn. The tower is located right next to the beach. The East German border soldiers had the mission of observing shipping movements on the Baltic Sea and identifying escape attempts.