The Millennium Forum is the main theatre and conference venue in Derry, a purpose-built facility that opened in 2001. The 1,000-seat main auditorium hosts touring musicals, theatre productions, concerts, and pantomimes; a smaller studio space accommodates more intimate work. The programme is broad and populist by design — this is the primary entertainment venue for a city and its wider hinterland.
The building sits on Newmarket Street, just outside the walled city near the Butcher's Gate. It is visible from the walls above. The box office and venue website carry the full programme; if you are spending more than a day in Derry, checking what is on is straightforward.