The settings vary as the book/film progress. It starts on Earth and gradually the rest of the Universe gets involved. The planets that Ford and Arthur visit are places like Magrathea, Kria and Viltvodle VI. They also spend a lot of their time on the Heart of Gold (a stolen spaceship) ...
Space
The planets are shown on the inside of the planet Magrathia. They actually manufacture planets to order.
The production budget for "The Hitchhiker's Guide to the Galaxy" was approximately $50 million.
Douglas Adams's Guide to The Hitchhiker's Guide to the Galaxy was created in 1979. It was published as supplementary material to his radio series.
The Hitchhiker's Guide to the Galaxy was released on 04/29/2005.
The ISBN of Douglas Adams's Guide to The Hitchhiker's Guide to the Galaxy is 0-563-55236-0.
The Hitch-Hiker's Guide to the Galaxy is 100% fact in the 42nd dimension.
The Hitchhiker's Guide to the Galaxy as international phenomenon was created in 1980.
The Hitchhiker's Guide to the Galaxy grossed $104,019,112 worldwide.
The ISBN of The Hitchhiker's Guide to the Galaxy - novel - is 0-330-25864-8.
The Hitchhiker's Guide to the Galaxy grossed $51,019,112 in the domestic market.
Approximately 15% of schools list The Hitchhiker's Guide to the Galaxy in their curriculum.