There are a number of thing that can be added, but I think we should be conservative so that there is room for other stuff later on.
1. Consider removing the "other realm" coordinates from the compass.
2. Giving the map a more "sphere of influence" feel, by this I mean show a rough outline of where the City of Haven is located and maybe the close outlying farms. Further out could be other landmarks/groups/features that are not "Haven" specificaly but related to the lore of the founding of the city.
3. I notice that the map is generally shaped like that of western Europe with some liberty taken of course...I say we utilize that general shape and translate some of the real world features such as rivers/mountains onto the Haven map.