seven Hungarian counties

Castle districts Borsod, Abaúj, Zemplén, Szabolcs, Szatmár, Bereg and Ugocsa in north-east Hungary, the territory of which was owned by various rulers during the 17th century, the possession of this region switched from Habsburg kings to Transylvanian principals and vica versa (see the peace of Nicolsburg and Linz).

PG