In this enormous public swimming pool, the entire sauna area is nude area. No swimwear is allowed.

https://www.wien.gv.at/freizeit/baeder/uebersicht/hallenbaeder/huetteldorf.html

https://www.facebook.com/H%C3%BCtteldorfer-Bad-135749669829848/

14., Linzer Straße 376
Fahrplanauskunft
Austria
+43 1 416 38 20