Rock Werchter is a Belgian annual music festival held in the village of Werchter, near Leuven, since 1973. It is one of the five biggest annual rock music festivals in Europe. The 2003, 2005, 2006 and 2007 festivals received the Arthur award for best festival in the world at the International Live Music Conference (ILMC). It can host 80,000 guests, of which 69,000 combine all four days, to add up to a total maximum of 113,000 different attendees.