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A location that's meant to be an exact stand-in for a specific real life location is No Communities Were Harmed.
I'm unclear on why the existence of the real-life location would be meaningful. Here's how I see it:
- Star Wars takes place A Long Time Ago, in a Galaxy Far, Far Away....
- In this galaxy far far away, there is a stand-in for, oh, Las Vegas, Nevada.
- Although Star Wars is both historical and extremely distant from Earth, I think it can be fair to say that Earth does exist in the Star Wars universe even if it's too far away to visit.
- On this unvisited Earth within the Star Wars universe, Las Vegas, Nevada exists there.
I am not seeing the narrative meaning.
there's Orphaned Etymology that includes references to real places that don't exist in the fiction setting
You mean like how Superman's Metropolis is like a fictional version of New York City, but in some of the comics they go to the U.N. building in the actual New York City? I think that's No Communities Were Harmed.
I would call it a location-specific version of Expy Coexistence— for example, on that page we have the case of Dante's Peak being based on the 1980 eruption of Mount St. Helens but set at a fictional volcano in the same region, while characters refer to the actual Mount St. Helens eruption as something that happened in the past.

A series that doesn’t take place on Earth has an in-universe equivalent to a real-life location, but it’s also mentioned or heavily implied that the real-life location still exists despite this.
Edited by BlueBlazes