Duna

[doo -no] /ˈdʊ nɒ/
noun
1.
Hungarian name of the Danube.

Düna

[dy-nah] /ˈdü nɑ/
noun
1.
German name of the Dvina.
British Dictionary definitions for Duna

Duna

/ˈdunɔ/
noun
1.
the Hungarian name for the Danube