The trailer's vistas and that one leaked map from years ago both suggest the map will actually be located to the southeast of the United States. (rdr2.com)
and finally Red Dead Redemption 2's Real Name Revealed, Leaked Map Confirmed Real The map is set within the great Black Plains, the area where the original Red Dead Redemption took place within a zone called Blackwater. (fraghero.com)
Starting from the Metal Gear Solid V: The Phantom Pain's Afghanistan leaked map, a Reddit user has calculated that this area of the game could be roughly 60 times bigger than the entire Ground Zeroes. (gamepur.com)