The community of St. Annen came into being in 1491 through the embankment of the Eider island of Bösbüttel. This was the merit of three men from the Russebolingmannen family, who lived in this area in the north of Dithmarschen. That is why the three crucians from the coat of arms of this family have been included in the coat of arms of the community.
The three Russebolinger Heymen Claus, Russen Marquart and Junge Claus Johann donated a chapel for the new place, which was consecrated to St. Anna, the mother of Mary. The name of the chapel was transferred to the place.
In the coat of arms, the Mother of God therefore "speaking" represents the place name and is at the same time a symbol of the history of the place. St. Annen later left the parish of Lunden and formed its own parish. The blue shield base represents the Eider and is reminiscent of the former status of the districts as Eider islands. The trio of fish in the coat of arms also refers to the three settlement cores of Neufeld, Damm u