From WikiGTA - The Complete Grand Theft Auto Walkthrough
Blaine County is a county situated in the state of San Andreas. The region is characterized as a desolated desert area outside of Los Santos full of bikers, meth heads and other people from the fringes of society. At one of the radio stations, some suggest not to enter Blaine County because you might wake up in the trunk of your car with the batteries of your phone dead. Trevor is living in a trailer in Blaine County, as well as his good friend Ron. There are many villages in Blaine County. Sandy Shores is the village where Trevor usually hangs around. He lives there, and owns a gas station which is used as a crack lab and the landing strip.
- A county with the same name is located in the state of Idaho.