On another board I won't name the exchanges would be considered friendly banter...
Well, the River Nemo could be considered as the Neen, and the Urt river likewise one seen on the World of Greyhawk map. there is also the City of Dunfalcon some miles west to Yggsburgh.
The area covered by the Yggsburgh work is up to about 3K square miles if the GM expands the map himself so as to take in the demesnes of the three hostile nobles and the borderlands. That is a miniscule area considering the Flanaess, and yet within it there are hundreds of adventures--given and postulated. The cultural and social information in the work are manifold, meat and drink for the GM inclined to develop detailed material for the campaign.
We will get to the castle and dungeon levels, although it seems unlikely that I'll be able to take the lead due to my health--too little energy to sustain the work load necessary to produce such detailed effort. I worked 70 or more hours a week continuously for a long stretch to produce the CZ Yggsburgh volume. Howerver, I have outlined the castle/dungeons, we have the original material, and I can develop work that rob generates therefrom so as to assure it is consistant with what I, and he, did way back when, only more detailed so other GMs can utilize it.
Okay?
Cheers,
Gary