Paasitorni, also known as the Helsinki Workers' House, is a conference and congress centre of exceptional value in terms of its architecture and cultural history. The historic building is located in Hakaniemi, Helsinki, Finland. It was designed in Art Nouveau style by architect Karl Lindahl, opened in 1908 as conference and leisure premises for the working class, and for a long time, served actively as a workers' house. As a professional congress centre Paasitorni's functions have been developed since the mid-1990s. Today Paasitorni houses almost 30 spaces for meetings and events for 8–800 people, four restaurants (Paasiravintola, Paasin Kellari, Juttutupa and Graniittilinna) and hotel Scandic Paasi with 170 hotel rooms. A floating restaurant pavilion, Meripaviljonki, seating 200 is also being built in front of Paasitorni, by the Eläintarhanlahti bay.