The Porvoo Triennale is an art exhibition and city festival held every three years, striving for continuity and permanence. It is a visual arts event centered around an art exhibition located throughout the city, bringing together a large number of top Finnish and Nordic visual artists. The Triennale comments on the various temporal and functional layers of Porvoo, infiltrates the city, and engages with and challenges people in their everyday lives and in unexpected situations.