sadly only in german,
if anyone has translations (and there's any interest) I'll add an english one 
translations found, I'm just an idiot
- [+] +

ingame:



extract the map to
...\Nehrim\Data\Textures\menus\Map\world,
(backup the existing one beforehand)
done
same look as the
worldmap, looks pretty nice with the Nehrim (/Oblivion) watercolour look.
edit:
english map available now

(only use one, duh )