In TheFourthAge Server Map, there is a Total of 704 Provinces divided in many Areas, which contain certain Regions or specific Biomes. You can see the detailed map with All the 704 numbered provinces.
Download link of the Ancar Resource Pack click here.
This version of the map may be outdated, check #colonizations-recognitions on discord for the most recent version.
Don't create pocket of provinces while colonizing, it's ugly to see and also forbidden.