Raised during the rule of Augustus, dab in the heart of ancient Tarraco's port area, the theatre remained in use between the 1st century BC and 2nd century AD. Tarragona's Roman theatre is the only building of its kind still preserved in Catalonia.

Constructed extramuros , the theatre conserves its lower stands, two small stretches of stairway, the orchestra and remnants of the proscaenium   (stage) and frons scaenae foundation. Visitors can still discern the holes for the posts which sustained the curtain. Aside the theatre, the Romans installed a nymphaeum with an immense pond that presided over a garden attached to the building.

Some of the statues and architectural elements which decorated the theatre are on display in the National Archaeology Museum of Tarragona.