Weser-Aue is a Samtgemeinde ("collective municipality") in the district of Nienburg, in Lower Saxony, Germany. Its seat is in the village Marklohe. It was established on 1 November 2021 by the merger of the former Samtgemeinden Marklohe and Liebenau.[1]
The Samtgemeinde Weser-Aue consists of the following municipalities:[1]