Fort Vosserkatz is a settlement located in the Canton of Quagfludt in Perrenland.

The settlement is located on the western shore of the Velverdyva River, near the Canton capital, Koetheim.

While Koetheim is the official capital of clan Vosser, Fort Vosserkatz is the heart and soul of the clan. This is the home of the Vosser Voorstammann. This is the actual place where city leaders meet to discuss happenings in the Canton, because this is home.