Here is a first Overview Map test. The page size gives a format that is not the best for showing the Flanaess in its entirety, so I'm trying here to compensate by cropping a bit at the top and bottom. The landmass is a bit skewed to the left, which is unavoidable when no landmass is available to the west. This is a compromise that I hope is acceptable.

The other issue is image resolution and detail level. When you reduce the size of an image there are inevitable loss of quality, but how to best deal with it and is the result good enough.  

For this test I have removed all the text and settlements symbols for things smaller that metropolises and capitals. Only major roads and national borders are shown and heraldry are removed as well.

Please download the full quality image here: https://www.dropbox.com/s/etg7nnnh95w88qo/Overview%20test%201.jpg?dl=0