Why can't I see the Nuka-World map?

When I'm in Nuka World, I can't actually see the map. It's just maybe one or more icons crammed into one corner of the normal Commonwealth map.

That's what it looks like:

I do have mods but none of them add new areas, mess with the current ones, and I've never had this problem before.

Answer was in comments.

As The Mattbatt999 suggested, it was a mod that was causing this issue. Disabling the mods on the game resolved the problem.

Though they may not made to intentionally mess with the game world, they still could be. Just try disabling the mods first and seeing if the maps corrects itself. If not, the problem is something else. – The Mattbat999 Oct 15 '18 at 19:47

Thanks, Mattbat, it was a mod and I pinned down exactly which one was causing the problem. – Arlynna Oct 16 '18 at 6:11