is a city in Bavaria, at the confluence of the Danube, Naab and Regen rivers.
Regensburg is the oldest town on the Danube river. From its foundation as an imperial Roman river fort, the city has been the political,
economic and cultural center of the surrounding region;
It is still known in the Romance languages by a cognate of its Latin name of "Ratisbona"

The medieval centre of the city is a UNESCO World Heritage Site. Regensburg is among the top sights and travel attractions in Germany