Wismar is a small port and Hanseatic League town in northern Germany on the Baltic Sea, in the state of Mecklenburg-Vorpommern, about 45 km due east of Lübeck, and 30 km due north of Schwerin. Its natural harbour, located in the Bay of Wismar is well-protected by a promontory. The population was 45,414 in March 2005, more than doubled from 21,902 in 1905.