Manntra is a Croatian rock band from Umag, formed in 2011. After the disbandment of the industrial metal band Omega Lithium, two of its members, Marko Matijević Sekul and Zoltan Lečei, went on to form Manntra., immediately calling Andrea Kert as a drummer.
Manntra's musical style is characterized by a fusion of traditional Croatian folk music with heavy metal, incorporating elements of electronic music as well. The band often employs traditional instruments such as the sopele, the tamburica and the diple, alongside electric guitars, drums, and keyboards. Their music is notable for its dynamic rhythms, driving guitar riffs, and powerful vocals, often delivered in both Croatian and English. The band's lyrics frequently deal with themes of spirituality, mythology, and personal struggle, which are often drawn from Croatian folklore and history. Overall, Manntra's sound is a unique blend of different styles, creating a distinct and compelling musical identity.
The band gained popularity in Russia, Germany and Austria.