in 1971]] Marstrand is a seaside locality situated in Kungälv Municipality, Västra Götaland County, Sweden. It had 1,319 inhabitants in 2010. It has held city privileges since 1200. The most striking feature about Marstrand is the 17th century fortress Carlsten, named after King Carl X Gustav of Sweden. The town got its name from its location on the island Marstrandsön. Recently the town has expanded to the neighbouring island Koön, which has bridge access to the mainland.

This description uses material from the Wikipedia article on Marstrand and is licensed under the Creative Commons Attribution-ShareAlike License (view authors).