Vitudurum is the name of a Roman Vicus, those remains are located in Oberwinterthur, a locality of the municipality of Winterthur in the canton of Zürich in Switzerland.
Wikipedia https://en.wikipedia.org/wiki/Vitudurum
Address 5 Hohlandstrasse, Winterthur 8404, Switzerland
Coordinates 47°30'24.206" N 8°45'19.964" E