Once past Orvieto, Terni holiday rentals in Perugia Province provide you with the lesser seen face of Umbria. Terni vacation homes are in the smaller of the two provinces in Umbria. While Orvieto is a must see and number one on most Italy vacation itineraries to Umbria, Terni Province offers much more. Terni apartment rentals are perfect for exploring the many lakes of Terni Province.