Bavaria
Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total lan ...
,
Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
. It is a right tributary of the
Altmühl
The Altmühl (, la, Alchmona, Alcmana, Almonus) s.v. is a river in
at
Riedenburg
Riedenburg () is a town in the district of Kelheim, in Bavaria, Germany. It is situated on the river Altmühl, northwest of Kelheim and northeast of Ingolstadt. Prunn Castle ( de) is located in Riedenburg.
The town is on the Rhine–Main– ...