The Eurovision Song Contest (French: Concours Eurovision de la chanson since 1973;[1] sometimes popularly called Eurovision or Grand Prix but not to be confused with the Eurovision network that broadcasts it) is the longest-running annual international TV song competition,[2] held, primarily, among the member countries of the European Broadcasting Union (EBU) since 1956. The competition was based upon the existing Sanremo Music Festival held in Italy since 1951.