Senate · Lazio

U01 Viterbo

Constituency: Lazio
Turnout in 2022: 65.8% of 659,183 electors
Multi-member district: Lazio - P02
Comuni: 169

One of the Senate’s 74 single-member districts: three eighths of the seats are filled this way, the rest proportionally. How the Rosatellum turns votes into seats →

Elected in 2022

Claudio Durigon

216,942 votes

Won by 30.4 points over Alessandro Mazzoli, a gap of 126,902 votes.

Everyone who stood in this district in 2022, by votes received.
Candidate	votes	%
Claudio Durigon	216,942	52%
Alessandro Mazzoli	90,040	21.6%
Massimo Erbetti	57,626	13.8%
Alessandro Sterpa	24,877	6%
Paolo Cipollone	8,156	2%
Ivano Peduzzi	6,530	1.6%
Andrea Alquati	6,333	1.5%
Arnaldo Marchetti	3,488	0.8%
Ombretta Del Monte	2,193	0.5%
Maria Rita Marinetti	780	0.2%

Source — all the sources this site uses: Ministero dell’Interno — Eligendo (elezionistorico.interno.gov.it) — opens in a new tab · Retrieved 2 August 2026

Who is standing

The lists for the 2027 election have not been filed yet, so there is no candidate to show in this district.

They are filed between the thirty-fifth and the thirty-fourth day before polling day. Polling day is not fixed, so filing will fall between 11 October 2026 and 15 November 2027. Art. 20(1), d.P.R. 361/1957
The lists of candidates in the multi-member districts and the names of the candidates in the single-member districts must be filed, for each constituency, with the registry of the Court of Appeal or of the Tribunal of the regional capital, from 8am on the thirty-fifth day to 8pm on the thirty-fourth day before polling day.

When the Interior Ministry publishes the candidate files, this page will list who is standing for the single-member seat and the lists of the multi-member district, in the order they were filed.

Comuni in this district

Accumoli
Acquapendente
Allumiere
Amatrice
Anguillara Sabazia
Antrodoco
Arlena di Castro
Ascrea
Bagnoregio
Barbarano Romano
Bassano in Teverina
Bassano Romano
Belmonte in Sabina
Blera
Bolsena
Bomarzo
Borbona
Borgo Velino
Borgorose
Bracciano
Calcata
Campagnano di Roma
Canale Monterano
Canepina
Canino
Cantalice
Cantalupo in Sabina
Capena
Capodimonte
Capranica
Caprarola
Carbognano
Casaprota
Casperia
Castel di Tora
Castel Sant'Angelo
Castel Sant'Elia
Castelnuovo di Farfa
Castelnuovo di Porto
Castiglione in Teverina
Celleno
Cellere
Cerveteri
Cittaducale
Cittareale
Civita Castellana
Civitavecchia
Civitella d'Agliano
Civitella San Paolo
Collalto Sabino
Colle di Tora
Collegiove
Collevecchio
Colli sul Velino
Concerviano
Configni
Contigliano
Corchiano
Cottanello
Fabrica di Roma
Faleria
Fara in Sabina
Farnese
Fiamignano
Fiano Romano
Filacciano
Forano
Formello
Frasso Sabino
Gallese
Gradoli
Graffignano
Greccio
Grotte di Castro
Ischia di Castro
Labro
Ladispoli
Latera
Leonessa
Longone Sabino
Lubriano
Magliano Romano
Magliano Sabina
Manziana
Marcetelli
Marta
Mazzano Romano
Micigliano
Mompeo
Montalto di Castro
Montasola
Monte Romano
Monte San Giovanni in Sabina
Montebuono
Montefiascone
Monteflavio
Monteleone Sabino
Montelibretti
Montenero Sabino
Monterosi
Monterotondo
Montopoli di Sabina
Montorio Romano
Moricone
Morlupo
Morro Reatino
Nazzano
Nepi
Nerola
Nespolo
Onano
Oriolo Romano
Orte
Orvinio
Paganico Sabino
Palombara Sabina
Pescorocchiano
Petrella Salto
Piansano
Poggio Bustone
Poggio Catino
Poggio Mirteto
Poggio Moiano
Poggio Nativo
Poggio San Lorenzo
Ponzano Romano
Posta
Pozzaglia Sabina
Proceno
Riano
Rieti
Rignano Flaminio
Rivodutri
Rocca Sinibalda
Roccantica
Ronciglione
Sacrofano
Salisano
San Lorenzo Nuovo
Sant'Angelo Romano
Sant'Oreste
Santa Marinella
Scandriglia
Selci
Soriano nel Cimino
Stimigliano
Sutri
Tarano
Tarquinia
Tessennano
Toffia
Tolfa
Torri in Sabina
Torricella in Sabina
Torrita Tiberina
Trevignano Romano
Turania
Tuscania
Vacone
Valentano
Vallerano
Varco Sabino
Vasanello
Vejano
Vetralla
Vignanello
Villa San Giovanni in Tuscia
Viterbo
Vitorchiano

Source — all the sources this site uses: Ministero dell’Interno — Eligendo (elezionistorico.interno.gov.it) — opens in a new tab · Retrieved 29 July 2026