Mittelweser (Samtgemeinde)
Mittelweser is a Samtgemeinde ("collective municipality") in the district of Nienburg, in Lower Saxony, Germany. Its seat is in the village Stolzenau. It was formed on 1 November 2011 when the municipality Stolzenau joined the former Samtgemeinde Landesbergen.
The Samtgemeinde Mittelweser consists of the following municipalities:
Coordinates: 52°32′N 9°07′E / 52.53°N 9.12°E
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