Parrocchia San Teodoro
San Teodoro — informally known as San Toto — is one of Rome’s most ancient churches, an early medieval foundation at the foot of the Palatine Hill dedicated to the martyr and warrior saint Theodore of Amasea. Pope John Paul II entrusted the church in 2004 to the Eastern Orthodox community of Rome, making it a unique ecumenical landmark where Byzantine liturgy echoes in a building whose origins reach back to the sixth century.
At a glance
- Type
- Early medieval round church; parish and ecumenical centre
- Period
- 6th century origins; restored 8th century and repeatedly thereafter
- Style
- Early Christian; circular plan with Baroque additions
- Location
- Via del Velabro, Rome (at the foot of the Palatine Hill), Italy
- Coordinates
- 41.8904° N, 12.4835° E
Overview
San Teodoro occupies a singular position in Rome’s sacred topography, nestled between the Palatine and the ancient cattle market of the Forum Boarium. Its circular form is one of only a handful of such early Christian buildings to survive in the city, recalling the rotunda tradition of late antiquity. The church was restored by Pope Nicholas I in the 9th century and underwent substantial intervention under Pope Nicholas V in the 15th century, when the portico was rebuilt.
History
The church’s foundation is traditionally dated to the 6th century, likely on the site of an earlier building associated with the Diaconia welfare system of early papal Rome. Dedicated to Saint Theodore of Amasea, a soldier-martyr venerated in both Eastern and Western traditions, it became a titulus in the early medieval period. Restorations by Pope John VII (705–707) added mosaics, fragments of which survive; Pope Nicholas V’s 15th-century campaign gave the building much of its present exterior appearance. In 2004, John Paul II’s ecumenical gesture of ceding the church to the Greek Orthodox community gave it renewed liturgical life.
What you see
The church presents a circular nave — a form rare in Roman sacred architecture — preceded by an open atrium and a portico whose columns are ancient spolia reused from nearby classical monuments. The interior preserves the atmosphere of deep antiquity: low-lit and intimate, with traces of early medieval mosaic work in the apse depicting Christ enthroned among saints, including Theodore himself. The surrounding area, sunken below the modern street level, reinforces the sense of descent into Rome’s archaeological strata.
Cultural significance
San Teodoro embodies the continuity between ancient Rome and Christian Rome, standing on ground that was sacred long before the city’s conversion. Its current use by the Eastern Orthodox community illustrates the ecumenical dialogue fostered by the Catholic Church in the late 20th century, and it remains one of the most evocative early Christian interiors accessible to visitors in the heart of Rome.
Practical information
- Address
- Via del Velabro, 00186 Roma RM
- Access
- Open for Orthodox liturgy; visiting hours vary — check with the Greek Orthodox community of Rome
- Hours
- Check official website for current access information
Getting there
San Teodoro is a short walk from the Circus Maximus (Metro Line B, Circo Massimo stop) and from the Roman Forum. Bus lines serving Via dei Cerchi and Lungotevere stop nearby. The neighbourhood is best explored on foot alongside the Palatine and Aventine hills.
Sources & resources
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