Naab

The Naab (German pronunciation: [naːp] ; Czech: Nába) is a river in Bavaria, Germany.
This 97.5 kilometer long river is a left tributary of the Danube. Its average discharge at the mouth is 49 m3/s (1,700 cu ft/s).
The Naab is formed by the confluence of the Waldnaab and the Haidenaab in Luhe-Wildenau, south of Weiden in der Oberpfalz. It flows generally south, through the towns Nabburg, Schwandorf and Burglengenfeld. It flows into the Danube near Regensburg.

Source: Wikipedia https://en.wikipedia.org/wiki/Naab