Duomo di San Lorenzo

Grosseto's Cathedral of San Lorenzo combines medieval architecture with later restoration and Renaissance furnishings. Its sculpted portal, baptismal font and stained glass connect the city with the artistic traditions of Siena.

Why it matters

The cathedral's history is linked with the transfer of the bishopric from Roselle to Grosseto in 1138. The building developed through periods of construction, interruption and alteration, rather than as an unchanged medieval monument.

What to notice

The southern portal carries narrative and ornamental stone carving. A reused Roman column adds an earlier element to the exterior. Inside, the baptismal font attributed to Antonio Ghini has the form of a small architectural shrine, while his Madonna delle Grazie altar belongs to the same period of patronage. A separate holy-water stoup of 1506 and fifteenth-century stained glass add further artistic layers.

Context and history

The cathedral occupies the site of an earlier church of Santa Maria. Work began around 1190 under Bishop Gualfredo, with Sozzo Rustichini associated with a later medieval campaign. Construction resumed in 1340 after interruption. Antonio Maria Lari's sixteenth-century interventions and nineteenth-century alterations changed the facade and interior. The result combines medieval forms with the effects of subsequent restoration.