Viterbo

Viterbo is a very old city and a "comune" in the Lazio region of Central Italy, the capital of the province of Viterbo.
The University of Tuscia, established in 1979, is in the city of Viterbo.
Geography.
The "comune" of Viterbo has an area of , the largest "comune" of the province, and its altitude is above sea level.
The "comune" borders with the "comuni" Bagnoregio, Bomarzo, Canepina, Caprarola, Celleno, Civitella d'Agliano, Graffignano, Marta, Monte Romano, Montefiascone, Ronciglione, Soriano nel Cimino, Tuscania, Vetralla, Vitorchiano.
"Frazioni".
The following "frazioni" (hamlets) are part of the "comune" of Viterboː Bagnaia, Fastello, Grotte Santo Stefano, La Quercia, Montecalvello, Ponte di Cetti, Roccalvecce, San Martino al Cimino, Sant'Angelo di Roccalvecce, Tobia, Vallebona.
Population.
, there are 67,173 persons (32,186 males and 34,987 females) living in the "comune", for a population density of inhabitants/km².
Twinned and partner towns.
Viterbo is twinned with: