HowTo/Scenery/category-region
From TrainzOnline
category-region-#
This is a optional tag.
Date type is string.
The tag is used to specify different countries that an asset maybe found in.
The tag "category-region" can have multiple lines or a single line with code separated by a coma. If individual lines are sued for each code the lines would have the words "category-region" a "-" and a number to represent the line. Example category-region-0 next line would be category-region-1. It it is on a single line it would be category-region "AU";"US" "
Click on this link to see a list of country codes