is from modern times. They were granted on 2 February 1979. The arms show two blue wavy lines on a silver background. This was chosen because the municipality is on a peninsula between two fjords: Oslofjord and Drammensfjord. At the same time the arms are based on the arms of the Huitfeldt family, who played a major role in the local history. The family used a single bend as arms.

History