Below is a high-definition map of The Coast. Readers may find it illuminating.
If it looks poorly in the browser preview, here's a Google Drive link to it. Bonus red-lettered version here.
This version is 40% the original's substantial 8K resolution. I've made the original 8K version available, along with 4K and super-readable red-lettered versions, for $1+ patrons here on the Incunabuli Patreon.
It's a project of several hundred hours, divided mostly between Autodesk Sketchbook and Photoshop. The lettering alone is composed of over 1,300 words.
I'll update it occasionally, as required. Current version stands at 1.0.