Klub Gromka is a multipurpose space at Metelkova mesto Autonomous Cultural Zone with a small stage and a dance floor. It serves as an office and rehearsal space for performances by Gromki Theatre and a performance space for Defonija, Radio Študent (RŠ) DJ presentations (ReŠetanje) and other events which feature various innovative music forms. Other events (poetry readings, lectures of Delavsko pankerska univerza) also take place here. The Club hosts several festivals.