Ratisbo or Regensburg (38), one of the oldest and most interesting of German towns in Bavaria, on the Danube, 82 m. NE. of Münich; has a quaint and mediæval appearance, with Gothic buildings and winding streets; associated with many stirring historical events; till 1806 the seat of the imperial diet; does an active trade in salt and corn, and manufactures porcelain, brass, steel, and other wares.