- Teraina City is a fictional city that appears in the anime and manga series "Gungrave." It is the main setting for the story and is known for its criminal underworld and gang warfare. The city is ruled by various crime syndicates, with conflicts arising between different factions. The city is depicted as dark and gritty, with a high crime rate and corrupt police force. Teraina City serves as the backdrop for the tragic tale of revenge and redemption that unfolds in the series.