Vistula Lagoon arguments. This was the rationale for Latvian claims over the Curonian Spit, Memel, and other territories of East Prussia which would be later dropped. From January until March 1945 throughout the Evacuation of East Prussia, refugees from East Prussia crossed the frozen lagoon on their way to the west after the Red Army had reached the coast of the lagoon near Elbing on January 26. Attacked by Soviet fighter aircraft thousands of them were killed or broke through the ice. Vistula Lagoon The Vistula Lagoon (; or "Kaliningradskiy Zaliv"; ; ) is a brackish water lagoon on the Baltic Sea
Koggala Lagoon streams, Mudiyansege-ela stream and Thithagalla-ela stream, is the second largest freshwater inflow. Heen-ela stream contributes a minor to the freshwater inflow In addition to above four streams, Kahanda-ela stream, Gurukanda-ela stream and Thelambu-ela stream are also contributors for freshwater inflows but are presently abandoned with overgrown vegetation. The only outlet of the lagoon is Pol-oya located at the southeast corner; a narrow long canal, which connects the lagoon with the Indian Ocean. The lagoon has a hydro-catchment area of approximately . Various land use practices exist in the catchment, which mainly includes small-scale fishing industry and paddy farming. The Koggala