Helle is a village in the Kragerø municipality of Telemark, Norway, located on the north shores of Hellefjorden about 7 km (4.3 mi) northeast of the city of Kragerø. For the purpose of the Norwegian census the village is combined with its neighbor village to the west, Vadfoss, and listed as Vadfoss/Helle. As of January 2012, the Vadfoss/Helle area has a population of 1,556 over an area of 1.59 km2 (0.61 sq mi), giving it a density of 979 inhabitants per square kilometre (2,540 inhabitants per square mile). Helle includes the neighborhoods of Nordbø, Sollia, Måneliheia and Skarbo. Lakes in the area include Upper and Lower Strandtjenn, Langtjenn, Bastautjenn, Årømyrtjenna and Svarttjenn.