The Teatre Principal (in Catalan, or in Spanish Teatro Principal) is the oldest theatre in Barcelona
, founded in 1602, rebuilt in 1788. The theatre was originally named the Teatro de la Santa Cruz in Spanish (or Teatre de la Santa Creu in Catalan).
It was the scene of the Spanish premieres on many plays and operas, and for the World
premieres of Spanish works including the first romantic opera in Catalan language, by Vicenç Cuyàs.