The Harpa concert hall, which opened in 2011, is now a distinguished European venue with four concert halls and two informal performance areas. Notable spaces include the Eldborg Main Hall (up to 1,800 attendees), Norðurljós Recital Hall (seating for 520), Silfurberg Conference Hall for large performances, and the Kaldalón Auditorium for small ensembles. Reykjavík