Helsinki, Finland
Sauna2 Siltasaari, Paasivuorenkatu 3, 00530 Helsinki
NOTICE: The Google Maps link above points to a wrong location. The address Paasivuorenkatu 3 is correct though!
Please note that the venue is not the Frosmo office next to the train station, but rather a meeting + sauna space next to Hakaniemi metro.