Dimension Act plays progressive metal from Tromso, active since 2012 and exploring the genre's most expansive territory from inside the Arctic Circle. Their name suggests performances that transcend ordinary spatial boundaries — fitting for music created under the midnight sun.

Dimension Z is a progressive metal band from Thessaloniki, Greece, formed in 2026. The band craft intricate progressive metal compositions with technical ambition.

Dimhall is a progressive metal band from Malmo, Sweden, formed in 2017. The project explores complex progressive metal from southern Sweden.

Dimhav is a power and progressive metal band from Stockholm, Sweden, formed in 2019. The project delivers ambitious metal from the Swedish capital.

Diminium is a groove and progressive metal band from Kyiv, Ukraine, formed in 2023. The project blends groove riffing with progressive complexity.

Dimorfia is a progressive and symphonic power metal band from Thessaloniki, Greece, formed in 2017. Their debut album Utopia (2017) features nine tracks of orchestral power metal with character-driven narratives and thematic storytelling across nearly forty-five minutes.

Dimaeon plays progressive death metal from Leeuwarden in Friesland, active since 2010 and navigating complex, boundary-pushing compositions with technical precision. Their decade-plus tenure in the Frisian underground speaks to a deep commitment to progressive extremity.

Dionysos is a progressive metal band from Dormagen, Germany, formed in 2019. They explore complex, Dionysian musical landscapes through progressive metal.

Disaffected started as a death/thrash metal act in Oeiras before evolving toward progressive death metal, adding complexity and nuance to their already aggressive foundation. This stylistic deepening reflects a band willing to grow beyond their early brutality into more challenging compositional territory.