The Dimensions of Athenos
by RobinAthenos from Gazeteer Republic of Darokin had a serious measurement flaw in Canon.
The Port City was made to be with a scale of 1/2 a mile which would not only make it way too large, undefensible from attacks or the environment, yet gave a city bigger than most of the capitals on Mystara.
The work map above explains how I worked on this...almost 20 hours in 1 row.