RU 
ES 
FR 
EN 
IT 
Naples Cathedral, known locally as the Duomo, stands on Via Duomo in the historic centre. Officially dedicated to Our Lady of the Assumption, it is closely associated with San Gennaro (Saint Januarius), the city’s patron saint.
You do not need to visit during a religious festival to appreciate it. Early Christian mosaics, Renaissance marble and a richly decorated chapel make this a rewarding stop while exploring old Naples.
Three places, different admission arrangements
- Cathedral: Via Duomo 147. Free entry.
- Chapel of the Treasure of San Gennaro: inside the Cathedral. Free entry, with separate opening hours.
- Treasury Museum: Via Duomo 149, beneath the arcade to the right of the Cathedral entrance. Paid admission.
Naples Cathedral opening hours
All times below use the 24-hour clock.
| Place or experience | Opening hours |
|---|---|
| Cathedral | Daily 08:30–19:30 Regular church hours listed by MUDD. |
| Free experience: Santa Restituta and Baptistery | Daily 09:30–17:00 Departures every 30 minutes; approximately one hour. |
| Treasury Museum | Daily 09:30–18:00 Last admission 17:00. |
Church opening hours differ from the accompanied visit schedule. Check the official MUDD Cathedral listing and the Cathedral visitor page (in Italian). The latter may display a different daily opening notice, so confirm arrangements before setting out.
San Gennaro Chapel hours
| Days | Morning | Afternoon |
|---|---|---|
| Monday and Saturday | 09:30–13:00 | 15:00–18:00 |
| Tuesday–Friday | 09:30–13:00 | 14:30–18:00 |
| Sunday | 09:00–13:00 | 16:30–18:00 |
Last afternoon admission is 17:30. On Monday, Saturday and Sunday, last morning admission is listed as 12:30; check the Treasury’s official information page for other days. Masses and special services may affect sightseeing access.
What to see inside
The present Cathedral took shape in the late 13th and early 14th centuries, incorporating older places of worship. Its three aisles combine Gothic architecture with later decoration, including a gilded 17th-century ceiling.
- Santa Restituta: remains of the early Christian cathedral, with ancient columns and layers of later decoration.
- San Giovanni in Fonte Baptistery: one of the oldest baptisteries in Western Christianity, particularly known for its early mosaics.
- Succorpo Chapel: a Renaissance marble chapel beneath the high altar, housing the saint’s bodily relics.
The free accompanied experience includes Santa Restituta and the Baptistery. Ask at the information desk about availability and the language offered; groups of more than 25 must book. Details appear on the official visitor page.
A chapel belonging to the city
The Royal Chapel of the Treasure has an unusual history: although inside the Cathedral, it is administered by a lay institution, the Deputation. Its origins lie in a vow made by the people of Naples in 1527 during a period of severe crises.
The 17th-century chapel houses the saint’s reliquary bust and blood ampoules, surrounded by marble, silver and works by Domenichino, Lanfranco and Ribera. Read the Deputation’s history of the Chapel for more background.
San Gennaro’s miracle: the three dates
During these ceremonies, worshippers await the liquefaction of the substance traditionally identified as the saint’s blood. Known as the miracle of San Gennaro, the ritual remains an important expression of Neapolitan devotion.
| Date | Occasion |
|---|---|
| Saturday before the first Sunday in May | Commemorates the transfer of the relics. Traditionally includes a procession from the Cathedral to Santa Chiara. |
| 19 September | The patron saint’s feast day, commemorating his martyrdom. The main service takes place in the Cathedral. |
| 16 December | Recalls the protection attributed to the saint during the 1631 eruption of Mount Vesuvius. |
These are ceremony dates; liquefaction is not guaranteed or timed. Check the current year’s programme and allow for crowds and access checks. See the Chapel’s explanation of the tradition and Archdiocese announcements.
Treasury Museum tickets
The neighbouring museum explores the artistic heritage associated with San Gennaro. Its paid admission is separate from free access to the Chapel.
Individual admission, including audio guide
- Standard: €15
- Reduced: €11 for eligible visitors, including over-65s.
- Free: children under 12 and other eligible categories.
Online booking is recommended by the museum. Check concessions and family options on the official prices page. We suggest allowing at least two hours for the Cathedral, accompanied experience, Chapel and museum, plus any waiting time.
Getting there and exploring nearby
The Cathedral is at Via Duomo 147, close to Via dei Tribunali. From Hotel Il Convento, you can walk through the historic centre or use public transport.
- Metro Line 1 — Duomo: walk up Via Duomo from Piazza Nicola Amore.
- Metro Line 2 — Piazza Cavour: reach Via Duomo via Via Foria, then continue to the Cathedral.
Our Naples metro guide explains the lines, tickets and stations.
Combine your visit with the nativity workshops of San Gregorio Armeno and nearby Piazza San Gaetano. For the two distinct underground routes in this area, read our Naples Underground and Neapolis Sotterrata visitor’s guide.
Information checked on 14 September 2026. Hours and prices may change; religious services may limit sightseeing access.
