I came upon the fabulous Henricus Spa, with its prime location in Dresden, quite out of chance. The small, intimate spa has a wonderful relaxation room featuring a metre-long aquarium. There is a range of different body treatments on offer, as well as a sauna and spas. Although the Spa is located right next to the Frauenkirche, I didn't have the impression that it was very well known or too busy.
Heinrich Schütz Residenz
+49 351 2635 9640