Karlskrona, city and naval port in southern Sweden, on the Baltic Sea, the capital of Blekinge County. Karlskrona occupies five islands and part of the adjoining mainland, which are connected by bridges. Among the city's industries are shipbuilding, brewing, granite quarrying, and the manufacture of clothing, naval equipment, metal products, and porcelain. Since 1680 Karlskrona has been the headquarters of the Swedish navy. Harbor installations include forts, dry docks, and an arsenal. Population (1997 estimate) 60,388.
