Municipal seats of Blekinge County

Karlskrona (, , ) is a locality and the seat of Karlskrona Municipality, Blekinge County, Sweden with a population of 66,675 in 2018. It is also the capital of Blekinge County. Karlskrona is known as Sweden's only baroque city and is host to Sweden's largest naval base and the headquarters of the Swedish Coast Guard.

Karlshamn () is a locality and the seat of Karlshamn Municipality in Blekinge County, Sweden. It had 13,576 inhabitants in 2015, out of 31,846 in the municipality.

Ronneby is a locality and the seat of Ronneby Municipality in Blekinge County, Sweden with 12,636 inhabitants in 2023.

Sölvesborg is a locality and the seat of Sölvesborg Municipality in Blekinge County, Sweden with 10,024 inhabitants in 2013.

thumb|Farm building in Olofström, now a museum. Drawn by Ferdinand Boberg in 1924. Olofström, previously Holje by, is a locality in Blekinge County, Sweden with 7,327 inhabitants in 2010. in 1967, the market town of Olofström was merged with the villages Kyrkhult and Jämshög to create Olofström Municipality. Olofström is the seat of Olofström Municipality. The increased use of cars in the 1950s and 1960s was the great boost for the municipality. Today the automobile industry, dominated by Volvo Cars, is the largest employer in Olofström.