The city of Kragerø lies the furthest south in the county of Telemark. The municipality contains a total of 495 islands and many reefs that attract tourists. Popular islands include Skåtøy, Gumøy, Bærøy, Tåtøy and Jomfruland. The island Jomfruland was made into a national park in 2016 which means that tourists have to be careful to take care of the nature on and around the island.