Also. Shot from the trailer:
 
[img]http://img11.deviantart.net/053b/i/2015/154/a/5/fallout_boston_commons_by_aaronmk-d8vww7d.jpg[/img]
 
And Boston Commons, Paul Revere statue:
 
[img]http://allthingsliberty.com/wp-content/uploads/2014/04/paulreverestatue.jpg[/img]
 
It's set in New England chaps, time to close that discussion as confirmed. There's probably other locations to key in on, but I didn't have near enough ideas to search to confirm them.