The Columbia Encyclopedia, Sixth Edition. 2001-07.
Vistula Lagoon
Pol. Zalew Wilany, shallow inlet of the Baltic Sea, 322 sq mi (834 sq km), c.60 mi (100 km) long and from 6 to 11 mi (9.718 km) wide, N Poland and W Russia, separated from the Gulf of Danzig by a narrow sand spit. The Nogat and Pregel rivers flow into the lagoon. A dredged channel cuts across the northern end of the inlet and links the Baltic Sea with the Kaliningrad ship canal. The lagoons shoreline is generally marshy. Kaliningrad is the chief city on the lagoon.