Elbtalaue is a Samtgemeinde ("collective municipality") in the district of Lüchow-Dannenberg, in Lower Saxony, Germany. Its seat is in the town Dannenberg. Actually, the word "Elbtalaue" means Elbe valley and describes a spatially not sharply defined region around the river's middle reaches in northern Germany. The Samtgemeinde Elbtalaue consists of the following municipalities: Damnatz Dannenberg Göhrde Gusborn Hitzacker Jameln Karwitz Langendorf Neu Darchau Zernien Samtgemeinden in Lower Saxony