Ambiviolence delivers metalcore from Warsaw as of 2025. Their portmanteau of ambivalence and violence captures the emotional tension driving their breakdown-heavy compositions from the Polish capital.

Amboss is a death metal band from Odendorf, Germany, whose name, meaning 'anvil' in German, reflects the blunt-force heaviness of their sound. The band represents a recent addition to the German death metal underground.

Ambra explores progressive stoner metal from Ljubljana since 2016. Named after the Slovenian word for amber — the fossilized tree resin — they bring geological patience and psychedelic warmth to heavy compositions from the capital.

Ambrazura merges progressive and brutal death metal from Yekaterinburg since 2016. Their Russian name for 'embrasure' — the fortification opening from which weapons are fired — drives compositions of architecturally precise brutality from the Urals.

Ambrius merges power and progressive metal from Gloucestershire since 2022, their name evoking legendary Arthurian connections to the Cotswolds. Their West Country origins feed compositions of epic scope and technical ambition.

Patras' Ambrotos conjure black metal steeped in ancient Greek mysticism, their name ('immortal' in Greek) reflecting themes of eternal darkness and divine defiance. Active since 2018, they bring the intensity of the Hellenic scene to the Peloponnese.

Ambryo fuses death metal, melodic death metal, metalcore, and thrash metal from Paris since 2014, casting a wide net across the extreme metal spectrum. Their embryonic name suggests a constantly evolving project that has not yet reached its final form.

Amduatum practices black metal from Trondheim since 2013. Named after an ancient Mesopotamian underworld, they bring Sumerian infernal mythology to over a decade of black metal from Norway's third-largest city.

Amducias is a black metal band from Ennepetal, Germany, active since 2003, named after the Great Duke of Hell from demonological tradition. With over two decades in the German black metal underground, the band has maintained a persistent presence in the scene rooted in the Ruhr area.