Walternienburg is a village and a former municipality in the district of Anhalt-Bitterfeld, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the town Zerbst.
The Barby Ferry, a cable ferry across the Elbe, links Walternienburg with Barby.
Wikipedia https://en.wikipedia.org/wiki/Walternienburg
Coordinates 51°58'2.964" N 11°56'20.012" E