Yrjnkatu Swimming hall - [Helsinki, Uusimaa] - Photos, Reviews and. . . About Yrjnkatu Swimming Hall Discover the serene Yrjnkatu Swimming Hall in Helsinki, Uusimaa, a haven for nudists and naturists alike Established in 1928, this historic location stands out as Finland's first indoor swimming pool, offering a unique blend of cultural heritage and modern amenities The hall maintains its traditional charm with features like wood-paneled changing rooms and a