Long-running Chernihiv black metal entity active since 2001, whose extensive catalog including 'Obscurantism' and 'Pilgrimage amidst the Catacombs of Negativism' spans over two decades of raw, riff-driven extremity. Their sustained output has established them as pillars of the Ukrainian black metal underground.

Grommt is a death metal band from the Danish island of Bornholm, formed in 2025, bringing death metal to one of Denmark's most remote and scenic outposts. The project channels death metal from the Baltic Sea island.

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Gromritual is a black metal project from Zagreb, active since 2007. Nearly two decades from the Croatian capital make them one of the most enduring black metal acts in the country.

Grond is a black metal act from Blagoevgrad, Bulgaria, formed in 2010 and named after the battering ram from Tolkien's Lord of the Rings. The project operates in the raw, underground end of the Bulgarian black metal scene.

Grondh is a black metal project from Riga, active since 2011. They deliver atmospheric black metal from the Latvian capital.

Grondhaat is a raw black metal project from Pilsen, Czech Republic, formed in 2018, whose 2018 album Humanity: The Flesh for Satan's Pigs was released through Ketzer Records. The seven-track release delivers uncompromising raw black metal with misanthropic lyrical themes.

Formed in Lille, France in 1998, Gronibard play a gleefully offensive strain of goregrind delivered with studied irreverence, playing Maryland Death Fest in 2005 and touring Europe extensively in their early years. Their self-titled debut LP, released on Bones Brigade Records in 2001, established the band's taste for maximum volume and minimum propriety, followed by We Are French Fukk You before a fourteen-year recording gap ended with Regarde Les Hommes Sucer in 2022. The band operates under a rotating cast of deliberately cartoonish pseudonyms.

Groove Therapist is a progressive metal project from Athens, formed in 2015. Their name suggests a groove-oriented approach to progressive metal from the Greek capital.