It’s not Axis and Allies but uses similar mechanics.
https://www.axisandallies.org/forums/category/53/global-war-1936
Edit
Here’s a list of all triplea maps. Might be something in there. The above Global War isn’t available.
This article is more properly termed ‘Creating your own Axis and Allies map, nations and land territories.’ This article is on how to create your own individual and variable land territories. I base the following on a statistical analysis on the A & A Classic game and my design is independent of any other source.
If you examine the Classic map (or any of the other maps) you note the nations (what I call the major powers) and also the neutral or occupied nations (what I call ‘territories’). All these territories (land spaces) whether part of a player nation, or otherwise, have numerical PF values. When you statistically examine these values you are able to extrapolate some value ranges and, for the major powers, whether they may be single territory nations (island or land) or whether they are multiple territory land powers. All this can be randomized as follows using 3D6 dice. Hence we will begin;