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:

Administration building in Dannenberg
  1. Damnatz
  2. Dannenberg
  3. Göhrde
  4. Gusborn
  5. Hitzacker
  6. Jameln
  7. Karwitz
  8. Langendorf
  9. Neu Darchau
  10. Zernien

Coordinates: 53°06′N 11°06′E / 53.100°N 11.100°E / 53.100; 11.100