Hagen is a former Samtgemeinde ("collective municipality") in the district of Cuxhaven, in Lower Saxony, Germany. Its seat was in Hagen im Bremischen. It was disbanded on 1 January 2014.The Samtgemeinde Hagen consisted of the following municipalities: Bramstedt Driftsethe Hagen im Bremischen Sandstedt Uthlede Wulsbüttel