On the Lower Saxon side of the border, in the district of Nienburg/Weser, the Middle Weser Valley is home to the municipalities of Stolzenau, Landesbergen, Steyerberg, Liebenau, Nienburg/Weser, Marklohe, Heemsen, Eystrup and Hoya.
It is situated approximately 15 km southwest of Nienburg, and 30 km north of Minden.