"Trom" () which means "edge" or "rim", referring to the division line on the arms and the boulders along the sea. The arms were designed by Anne Marie Falck. Government All municipalities in Norway, including Tromøy, are responsible for primary education (through 10th grade), outpatient health services, senior citizen services, unemployment and other social services, zoning, economic development, and municipal roads. The municipality was governed by a municipal council of elected representatives, which in turn elected a mayor. Municipal council The municipal council of Tromøy was made up of 21 representatives that were elected to four year terms. The party breakdown of the final municipal council was as follows: Media gallery See also List of former municipalities of Norway References External links Arendal Populated places established in 1878 Populated places disestablished in 1992 Former municipalities of Norway 1878 establishments in Norway 1992 disestablishments in Norway