Deva (Romanian pronunciation: ; Hungarian: Déva, ; German: Diemrich, Schlossberg, Denburg; Latin: Sargetia; is a city in Romania, in the his…Deva (Romanian pronunciation: ; Hungarian: Déva, ; German: Diemrich, Schlossberg, Denburg; Latin: Sargetia; is a city in Romania, in the historical region of Transylvania, on the left bank of the river Mureș. It is the capital of Hunedoara County.