Liberty City is based on New York City in the 2D Universe and HD Universe, and a mix of various cities (New York City, Philadelphia, Detroit, Boston, Chicago and Baltimore) in the 3D Universe.GTA games are replete with fictional cities, many of which are based on real-life locations: Many GTA games contain only one city, but the first Grand Theft Auto, Grand Theft Auto: London 1961, Grand Theft Auto: San Andreas, Grand Theft Auto IV, Grand Theft Auto V, Grand Theft Auto Online and Grand Theft Auto VI contain multiple. Comparison map of Liberty City in GTA III (upper right), Vice City (lower right), and San Andreas (left), all approximately to scale.Ĭities in the Grand Theft Auto games are large population centres.