A public lodging house, or the river that forms part of the border between Germany & Austria
Towns on this last section of the 
river are... [DOC] [TLE] inn - WordReference.com Dictionary of English [PAR] a commercial establishment that provides lodging, food, etc., for the public, ... 
Place Namesa river in central Europe, flowing from S Switzerland through Austria 
and ... Etymology: Old English; compare Old Norse inni inn, house, place of 
refuge ... Danube at Passau: forms part of the border between Austria and 
Germany.