Anigezareta 12 is a jungle planet located within the Romulan Star Empire. (Dragon Ball Z vs. Star Trek: The Beginning of Infinity)
The planet was used by the Tal Shiar, who maintained a training facility on the planet. Prior to Romulan colonisation the planet had been previously inhabited by unknown extinct civilisation. Ruins from this previous civilisation could still be found on the planet in the 24th century.