Adastrae delivers death metal from Paris since 2013, their stellar Latin name contrasting with the earthbound brutality of their sound. The project contributes to the French capital's deep well of extreme metal talent.

Adastreia has been crafting symphonic metal from London since 2005, making them one of the English capital's longer-running orchestral metal projects. Two decades of dramatic, sweeping compositions speak to extraordinary dedication to the genre.

Addendum delivers melodic death metal from Bergen since 2022. Their scholarly name — referring to supplementary material — suggests compositions that build upon and extend the Gothenburg tradition from Norway's western coast.

Addiction of a Murderer are a deathcore band from Kulmbach, Germany, whose 2010 debut Dancing Death EP delivers five tracks of breakdowns and guttural fury across eighteen concise minutes. Emerging from Upper Franconia, the band bring the genre's signature brutality to a region better known for its breweries than its extreme music.

Addikth delivers groove metal from Moscow since 2017. Their deliberately misspelled addiction name captures the compulsive rhythmic hooks of their groove-heavy approach from the Russian capital.

Death metal band founded in Lausanne, Switzerland in 2022, whose 2024 debut album "Resurgence" and its 2025 instrumental counterpart blend technical and progressive death metal with saxophone guest contributions and synthesizers. Produced by Alex Sedin, the band features drum programming alongside live bass and guitar, releasing material independently through Bandcamp.

Adem thrashes from Kyiv since 2015. Their concise Turkish-Ukrainian name — meaning 'man' or 'person' in Turkish — drives over a decade of thrash from the Ukrainian capital.

Adeptor thrashes from Pisa since 2019, bringing speed and aggression from a Tuscan city better known for its leaning tower than its metal underground. Their initiatory name suggests discipleship in the art of riff-driven destruction.

Aderlass are an Austrian black/death metal band who have been active since the late 1990s, with early releases like the 1997 demo Krunk! establishing their raw approach. The band operates under the Aderlass Kunstverlag imprint, which combines music distribution with a broader visual arts and merchandise operation, linking to black metal acts like Varcolac and Nekropulse in the Austrian underground.