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Karlskrona (kärlskrōō´nä), city (1990 pop. 31,100), capital of Blekinge co., SE Sweden, on the Baltic Sea. It is a seaport and fishing center with a large modern port. The city has been the headquarters of the Swedish navy since 1679 and has many service-connected industries. Manufactures include ships, plastics, atomic reactors, telephones, canned goods, porcelain, and electrical bulbs. A naval museum is in the city. A variant spelling is Carlscrona.

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