Arkham Witch delivers doom and heavy metal from the West Yorkshire town of Keighley since 2012, their Lovecraftian name evoking the eldritch horror of Arkham Asylum. Over a decade of cosmic doom from the Airedale valley speaks to sustained commitment.

Arkhasis delivers heavy metal and speed metal from the Vosges town of Épinal since 2019, channeling the forested mountain landscape of Lorraine into high-velocity riffing. Their approach brings classic metal intensity to eastern France's highland region.

Arkhesia has been crafting gothic and heavy metal from Paris since 2006, creating atmospheric, darkly melodic compositions for nearly two decades. Their sustained activity makes them one of the longer-running gothic metal projects in the French capital.

Arkhetype delivers groove and heavy metal from the Burgundian town of Dole since 2023, their archetypal name suggesting a return to the fundamental essence of metal. Their rhythmically driven sound bridges classic heaviness with modern groove.

Arkhya plays heavy and power metal from Posadas in Córdoba province since 2014. From this small Guadalquivir River town, they forge traditional metal with the sun-hardened resilience of rural Andalusia.

Not to be confused with the Russian pagan metal band of the same name, this Arkona is a heavy metal band from Chrudim in the Pardubice Region. The Bandcamp URL (arkona.bandcamp.com) resolves to the Polish black metal horde Arkona, who have been active since 1993 and released albums including Stella Pandora and Age of Capricorn — the Czech band's separate online presence is limited.

A Prague heavy metal band formed in 1989, Arkus are notable in the Czech underground for featuring a female vocalist, Lenka Novotná, at a time when that was uncommon in the scene. The band released demos including Prodejná (1990) and Kanibal (1992) before eventually splitting up.

Armstrong Gun delivers heavy metal from the Surrey town of Horley since 2020, named after the revolutionary Victorian-era artillery piece. Their industrial-military name suits compositions that fire with the precision of their historical namesake.

Arpenteur delivers heavy metal from Paris since 2020, their French name meaning "surveyor" reflecting a measured, methodical approach to the genre. The project maps the terrain of classic metal from the French capital.