Gulyay-gorod, also guliai-gorod (Russian: Гуля́й-го́род, literally: "wandering town"), was a mobile fortification used by the Russian army between the 16th and the 17th centuries.
Gulyay-gorod, also guliai-gorod (Russian: Гуля́й-го́род, literally: "wandering town"), was a mobile fortification used by the Russian army between the 16th and the 17th centuries.