The Loeb Drama Center, located near Harvard Square, is the headquarters of the American Repertory Theatre and houses its main box office.

The Loeb's 540-seat theatre is the venue for mainstage A.R.T. productions, as well as fall and spring mainstage productions of the Harvard-Radcliffe Dramatic Club. The building also contains the Experimental Theater, or 'Ex', a “black box” that is used by the A.R.T.’s Institute for Advanced Theater Training and by the Harvard-Radcliffe Dramatic Club.