Arn? As in Arneson? Well, if you have to rename the country . . . .The new map adds a couple (Saltmarsh, some of the famous Dungeons), and renames a few (Blackmoor is Arn, etc.). But, yeah, it's a good match up.
I love the old map, but I love this new one, too. Similar to the OG Forgotten Realms maps and Schley's work, actually.
They might have rights to it, but decided to end the quantum confusion of whether Blackmoor is itiwn Setting, part of Greyhawk, or part of Mystara.Arn? As in Arneson? Well, if you have to rename the country . . . .
I know (I think I know) the Arneson estate retained some rights to the Blackmoor name and setting, but . . . didn't WotC also retain the use of it? For both Greyhawk and Mystara?