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| Province of Viterbo | |
|---|---|
| Name | Province of Viterbo |
| Settlement type | Province |
| Country | Italy |
| Region | Lazio |
| Capital | Viterbo |
| Area total km2 | 3615 |
| Population total | 318163 |
| Population as of | 2017 |
| Population density km2 | auto |
| Communes | 60 |
| Time zone | CET |
Province of Viterbo is an administrative area in the northern part of the Lazio region of Italy, with its capital at Viterbo. The province encompasses coastal, lacustrine and inland territories including parts of the Maremma Laziale, the Tolfa Mountains, and the Lake Bolsena basin. It borders the regions of Tuscany and Umbria and contains a mixture of Etruscan, Roman, medieval and modern settlements such as Tuscania, Civita Castellana, Tarquinia, Montefiascone and Capodimonte.
The province lies within the Tyrrhenian Sea catchment and includes the volcanic caldera of Lake Bolsena and the lakes of Vico and Mezzano, while its coastal strip incorporates the Maremma Laziale and the Tyrrhenian Sea shoreline near Tarquinia. Mountainous areas extend into the Cimini Hills and the Tolfa Mountains, linked to the Monti Sabatini volcanic complex and the Monti della Tolfa metalliferous zones, whereas the Valle del Tevere corridor reaches toward Tiber River floodplains connecting to Rome. Notable protected areas include Monte Rufeno Natural Reserve and the Laghi di Narni, with landscapes influenced by the extinct volcanism of the Vulsini volcanic complex and geomorphology of the Tuscia plateau.
Prehistoric and protohistoric settlements in the province are tied to the Etruscan civilization, with archaeological sites at Tarquinia and Tuscania connected to the Etruscan League and artifacts now displayed in institutions such as the National Etruscan Museum. Roman influence followed via the Roman Republic and Roman Empire infrastructures like the Via Clodia and the Via Cassia, while medieval power struggles involved the Papal States, the Holy Roman Empire and feudal families including the Countess Matilda of Tuscany and the Orsini family. During the Renaissance and early modern period, papal administrations under Pope Nicholas V, Pope Innocent VIII and Pope Clement VII shaped urban fortifications and ecclesiastical architecture in towns such as Viterbo and Civita Castellana. The region was incorporated into the modern Kingdom of Italy during the Risorgimento and later experienced social and economic changes under Fascist Italy policies and post‑war reconstruction associated with the Italian Republic.
Administrative responsibilities are exercised within the framework of the Lazio regional statutes and national legislation from Rome, with the provincial seat located in Viterbo and municipal administrations in communes like Tarquinia, Tuscania, Bolsena, Montefiascone and Civita Castellana. Local governance interacts with agencies such as the Prefecture system based in Viterbo and the Regional Council of Lazio in Rome, while public services coordinate with institutions including the Carabinieri, the Polizia di Stato, and the Municipal police forces. Territorial planning references EU cohesion programs administered via the European Union and Italian ministries such as the Ministry of Infrastructure and Transport and the Ministry of Cultural Heritage and Activities for heritage sites.
Economic activity spans agriculture in the Tuscia plain with olive groves, vineyards producing wines tied to the Est! Est!! Est!!! di Montefiascone designation, and horticulture around Viterbo and Tarquinia; mining traditions in the Tolfa Mountains historically supplied alum to markets linked to Papal States industries. Tourism relies on cultural attractions like the Tarquinia Necropolis, thermal spas at Bagnaccio and Bagno Vignoni-style resorts, and religious pilgrimages to sites associated with Pope Alexander IV and the medieval papacy centered in Viterbo. Small and medium enterprises engage in ceramics linked to traditions from Civita Castellana, food processing tied to Italian cuisine specialties such as pecorino cheese and extra virgin olive oil, and manufacturing for sectors served by logistics corridors toward Civitavecchia and Rome ports and markets.
Population centers include the provincial capital Viterbo, coastal town Tarquinia, lakeside Bolsena, and hill towns like Montefiascone and Tuscania, with demographic trends shaped by rural depopulation common to parts of Italy and patterns of commuting to Rome and Civitavecchia. Historical migration flows involved seasonal labor movements from southern Italian regions such as Abruzzo and Molise and recent international migration from countries participating in the Schengen Area and global labor markets, affecting demographic composition in municipalities and social services managed by offices like the ASL Lazio health authority.
The province preserves tangible heritage from the Etruscan civilization at Tarquinia and Tuscania, medieval architecture in Viterbo’s Palazzo dei Papi and the Cathedral of San Lorenzo in Viterbo, Romanesque churches such as Santa Maria Maggiore (Tuscania), and Renaissance works influenced by patrons like Pope Paul III and Cardinal Albornoz. Cultural events include the Macchina di Santa Rosa festival in Viterbo, historical reenactments at Tarquinia and gastronomic fairs celebrating products associated with Tuscia identity. Museums and academic centers such as the National Archaeological Museum of Viterbo and collaborations with universities like the Sapienza University of Rome and the University of Tuscia support research in archaeology, medieval studies and conservation of artifacts from sites connected to the Etruscan League and later papal administrations.
Transport networks include regional segments of the A12 corridor near Civitavecchia, state roads derived from the Via Cassia and the Via Francigena pilgrimage route, and rail links on lines connecting Viterbo to Rome and to coastal hubs like Civitavecchia. Ports and maritime access via Civitavecchia influence freight flows, while airports including Fiumicino and regional aerodromes serve passenger connections. Utilities and heritage conservation are coordinated with national agencies such as Rete Ferroviaria Italiana, the Ministry of Cultural Heritage and Activities, and water management authorities addressing catchments of Lake Bolsena and the Tiber River basin.