Coast City is a fictional city created by John Broome and Gil Kane that appears in stories published by DC Comics. It is depicted most often as the home of the Silver Age version of the superhero Green Lantern, Hal Jordan.
Coast City, which first appeared in Showcase #22 in September-October 1959, was a city located in California. This made it one of the few fictional cities in the DC Universe to have a specifically given location from the start.
Coast City was usually portrayed as an analogue of San Diego or Los Angeles. Green Lantern: Rebirth identified it as being in Northern California, and recent issues of Green Lantern listed it as being twenty miles from Edwards Air Force Base. This would seem to be contradictory (and might indicate that Edwards is in a different location in the DC Universe than it is in ours).
The Atlas of the DC Universe published by Mayfair Games in 1990, placed Coast City in northern California, between San Francisco and Green Arrow's Star City.
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