According to Rockstar Games boss, Sam Houser, GTA 5 is going to be set in the city of Los Santos.

Rockstar Games has finally confirmed that GTA V is going to be set in the city of Los Santos, a town we were introduced to while playing Grand Theft Auto: San Andreas.
Although this location represents the area of Southern California, cities as San Fierro and Las Venturas were not mentioned by Sam Houser, Rockstar Games boss.
Sam Houser said: “It will be the largest Grand Theft Auto game yet,” and he added: “Grand Theft Auto 5 is another radical reinvention of the Grand Theft Auto universe.”
Soon after that, Mr. Houser stated: “We are incredibly excited to share our new vision with our fans.”
It is important to note that the developers of Grand Theft Auto V have again confirmed the multiplayer component of the game.
Stay tuned !

