I was taught (several decades ago now) that you numbered the municipal buildings and churches first, then the features of interest like parks and historic sites and finally the local landmarks - waterfalls, etc. However, given the same map two different cartographers would probably number it quite differently according to their personal opinion on which of the features or which of those groups is more important than the others. So in the end it boils down to what Wyvern said:

This week in Live Mapping, Ralf will be taking a look at, and starting a modern floorplan using the Dracula Dossier style from the 2015 Cartographer's Annual (Volume 9).

Come along and join in the fun and the chat with us here on Youtube:

https://www.youtube.com/watch?v=UglZYeAeHlA

Or you can watch it right here on the forum if you prefer*

*This thread is not monitored during the show, but is the place you can discuss it or ask further questions if you have any after the show.

It sounds like you need a hex style where the hexes are ready-built to be placed on a snapping grid, though that might mean the coastlines, rivers, and boundaries, etc. are more hex shaped than you would probably like them to be.

Perhaps something like Hex Overland? It's in the same Cartographer's Annual as the last example I showed you - the 2010 annual, or "Volume 4".

These are the symbols from that style.

Have you thought of trying to do this with the Forest Trail cliffs pieces instead?

@Frosty No, I think this is mostly Forest Trail and Creepy Crypts.

The overland map is Spectrum Overland.