Some of the notable villages in Senja include Å, Aglapsvik, Bjorelvnes, Botnhamn, Finnsæter, Fjordgård, Flakstadvåg, Gibostad, Gryllefjord, Husøy, Langnes, Laukhella, Lysnes, Medby, Mefjordvær, Rossfjordstraumen, Sandbakken, Senjahopen, Silsand, Skaland, Skrollsvika, Stonglandseidet, Torsken, and Vangsvik.

The blazon is "Azure, northern lights vert over mountain peaks argent to sinister" (Norwegian: I mørkeblått grønt nordlys oppe og sølv fjell nede heraldisk venstre).

This means the arms have a dark blue field (background) and the charge is the green northern lights above some mountain peaks.

The mountain peaks have a tincture of argent which means they are commonly colored white, but if it is made out of metal, then silver is used.

Here is a list of people who have held this position: Senja Municipality is located along the Troms county coast.

The municipality encompasses the whole island of Senja, plus some smaller areas on the mainland around the Gisundet strait and the around the Rossfjordvatnet lake.

The eastern and southern parts of the island are milder, with rounder mountains, forests, rivers and agriculture land.

Climate data from the village of Gibostad on the eastern shore of the island, facing the mainland during the base period of 1961–1990.