>>2139975
>I suggest using a grey/silver colour for the town icon rather than yellow/gold so that it's more obvious that it's the second highest location tier after cities

Shape = Location rank
Circle - Rural
Square - Town
Pentagon - City

Colour = Capital status
Bronze - Normal Location
Silver - Province Capital
Gold - Country Capital

So gold circle, means it's a Rural capital.
Bronze Pentagon means it's a non cap City.

Some examples: