Which preposition to use with banat

of Occurrences 1%

Rumania wants the province of Bessarabia on her eastern border, a strip of which Russia once took away; she wants the Austrian province of Bukowina and the Hungarian banat of Temesvar on the west, but most of all the pine forests and the people of Transylvania, just over the divideyou cross it coming from Budapestlargely Rumanian in speech and sympathy, though a province of Hungary.

Which preposition to use with  banat