Wikipedia
Altenau (disambiguation)
Altenau may refer to:
Altenau (Oker)
The Altenau is a small river that rises in the Elm in central Germany, northeast of Eitzum and discharges from the right into the Oker near Halchter, a district of Wolfenbüttel.
Altenau (Alme)
Altenau (Alme) is a river of North Rhine-Westphalia, Germany.