Rotenburg an der Fulda is a town in Hersfeld-Rotenburg district in northeastern Hesse, Germany lying, as the name says, on the river Fulda.
Wikipedia https://en.wikipedia.org/wiki/Rotenburg_an_der_Fulda
Official Website https://www.rotenburg.de/
Coordinates 50°59'41.49" N 9°43'37.177" E