The Eurovision Song Contest 2007 was the 52nd edition of the Eurovision Song Contest. It consisted of a semi-final on 10 May and a final on 12 May 2007, held at the Hartwall Areena in Helsinki, Finland, and presented by Jaana Pelkonen and Mikko Leppilampi. It was organised by the European Broadcasting Union (EBU) and host broadcaster Yleisradio (YLE), who staged the event after winning the 2006 contest for Finland with the song "Hard Rock Hallelujah" by Lordi. In addition, Krisse Salminen acted as guest presenter in the green room and reported from the crowds at the Senate Square.