The city of Ghasta is located in the middle of the Valley Hohr, it has a low population of about 600 red martians, and has unique buildings built from black volcanic stone. Its jed Ghron is a veritable madman, and all people within the city are slaves.

The city was only seen in the novel A Fighting Man of Mars when Tan Hadron and Nur An ended up in the Valley Hohr after being sentenced to "The Death". Although they discovered how the people of Ghasta were surpressed and tortured by their mad Jed, they never tried to end Ghron's reign.

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