Quote Originally Posted by [b
Citera[/b] ]the 100 garrison is pretty much a standard. You do need it because otherwise you will get the bandit type of rebellion, IIRC.
It isn't needed to garrison your provinces at all if the loyalty is high enough (above 120? or above 100). I usually leave my governor there to keep the castle in case of rebellions or invasions and to easily find him if needed. I prefer depleted units, a one man garrison is perfect.