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TheoryMapa de Leonida · Aug 27, 2026

Grassrivers: GTA VI's Confirmed Swamp Region

The wetland adds another confirmed environment to Leonida

Redação G6 World

Leonida is more than Vice City, and Grassrivers is one of the clearest examples. The location is officially identified as GTA VI's swamp region within the fictional state where the game takes place.

That description is currently the firm boundary of what is confirmed. The registered information does not establish missions, activities or character connections for Grassrivers, so none of those details should be treated as fact.

Its importance comes from the variety it adds to the setting. Vice City serves as Leonida's central city, while Grassrivers introduces a confirmed wetland environment elsewhere in the state.

The wider regional lineup also includes the Leonida Keys archipelago, the port city of Port Gellhorn, inland Ambrosia and Mount Kalaga National Park. Together with Vice City and Grassrivers, they form the six confirmed regions currently on record.

For now, the practical takeaway is concise: Grassrivers is a confirmed swamp in Leonida. That status comes from official GTA VI material published by Rockstar Games.