Donau

Donau, the German name for the Danube.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Donatus * Doncaster
[wait for the fun]
Domitian
Domrémy
Don
Don Juan
Don Quixote
Donaldson, John William
Donatello
Donati
Donatists
Donatus
Donau
Doncaster
Dondra Head
Donegal
Donetz
Dongola, New
Donizetti
Donne, John
Donnybrook
Donon
Doo, George Thomas