Stralsund (ˈʃtʁaːlzʊnt; Swedish: Strålsund), officially the Hanseatic City of Stralsund (German: Hansestadt Stralsund), is the fifth-largest city in the northeastern German federal state of Mecklenburg-Western Pomerania after Rostock, Schwerin, Neubrandenburg and Greifswald, and the second-largest city in the Pomeranian part of the state. It is located on the southern coast of the Strelasund, a sound of the Baltic Sea separating the island of Rügen from the Pomeranian mainland.
The Strelasund Crossing with its two bridges and several ferry services connects Stralsund with Rügen, the largest island of Germany and Pomerania. The Western Pomeranian city is the seat of the Vorpommern-Rügen district and, together with Greifswald, Stralsund forms one of four high-level urban centres of the region.
The city's name as well as that of the Strelasund are compounds of the Slavic (Polabian) stral and strela (arrow; Polish: strzała, Czech: střela) and the Germanic sund, a strai