Neat idea! There’s places that I do something called Dream Incubation, and those are sort of “headquarters” but they stick better in daydreams than they do in night dreams.
I suspect that the actual locations that I do have recurring dreams about have to do more with some psychological complex (like not necessarily that something bad happened there, but that I had emotions associated with that location, and am processing or working through similar ones in waking life, so I have dreams of places that I’ve both been to in waking life and have dreamed about before.)
And I did actually get to map those, so a dream of a place that I lived the longest when my family traveled, is attached in the same place to the only school that I actually liked going to…but, I can accept if either location begins to stray from the waking-life dimensions, or if they detach from each other (if where the school used to be is a beach or something). I don’t usually make it happen, but I let it happen, and then I try to think about what that change is trying to tell me about my psychological wellness.