In the Magnamund Companion
, the exact citation is "The Baronial Confederation of Toran - Although it is recognised as a baronial province, Toran is a confederation of guilds that dominates the social, political, and economic life of the city.
In my view, the text here above doesn't mean that there's no baron in Toran in MS 5050 (it is a Baronial
confederation thus there must probably still be one baron), but more likely that the guilds of that territory have gained a considerable power that makes them dominate all the aspects of the life of the city, even if a baron is still present in Toran. That's not inconsistent with the fact Baron Karlo Vinas rules Toran in MS 5000