Petrila (Romanian pronunciation: [peˈtrila]; Hungarian: Petrilla) is a town in the Jiu Valley, Hunedoara County, Transylvania, Romania. It is located near the confluence of the rivers Jiul de Est, Taia, and Jieț. The town administers four villages: Cimpa (Csimpa), Jieț (Zsiec), Răscoala (Reszkola), and Tirici.