Even though I dislike water provinces, 50 and 32 should be linked considering they touch each other. It's quite distrubing visually that they are not.
I also have one issue with the map, I can't zoom out far enough to see it whole. I don't know how to change that. I managed to get it smaller changing the defaultmapzoom in the .map file, but then it would gladly ignore it and revert to full size...
17 should not be a start province. 3 neighbour provinces is really aweful.
21 is too near 7 for them both to be start provinces. It means a flying god can go from one to the other and try to dom-kill the opponent on turn 1, which is a bit mean. Whereas 54 is far from all other starting places, and therefore pretty safe. 98 is also pretty much isolated, having only one not-so-near neighbour.
Is lack of connection between 20 and 26 made on purpose? Can be explained by mountains, but not obvious at all.
Here is a proposal.
I drew black borders to show the Voronoi diagrams of the starting positions (i.e. what's inside your border is nearer your capital than anyone else) and the number of provinces inside one's "natural borders".
I think that this shows well that 17 and 21 are not good starting positions:
Proposed map on the left, my proposal on the right:
It's far from perfect. The central nations have more room due to not being able to hide in a corner, but the corners are more evenly divided (no lone nation in the north), so I think it should be more balanced. There's also less disparity in terms of number of neighbours to the capital.