Here are two files to help DMs generate villages for and regulate fiefs in their Greyhawk campaigns.
Author: Longetalos
Furyondian Spreadsheets
By: Richard Di Ioia (ricdii@yahoo.com)
(Used with Permission. Do not repost without obtaining prior permission from the author.)
The village generator file allows a DM randomly to generate villages, towns and cities for use in the Greyhawk setting. It will generate the number of villagers, the craftsmen, the buildings/shops and the temples (with associated deity).
Download it!
The fiefdom finances spreadsheet allows a DM to calculate the revenue and costs associated with running a fief. It will also allow the DM to calculate how much construction of a castle/keep would cost as well as the time needed for the construction based on the accessories chosen.
Download it!