The term 'catacomb' originated here, originally referring specifically to this site's location in a hollow ('ad catacumbas').
The site contains the 'Triclia,' a space where early Christians held funeral banquets in honor of Saints Peter and Paul.
Excavations revealed pagan mausoleums dating to the 1st century, which were later built over by the Christian cemetery.
The complex houses the relics of Saint Sebastian within a dedicated chapel.
The basilica above the catacombs was commissioned by Emperor Constantine in the 4th century.
Evidence of the 'Cult of the Apostles' is found in hundreds of wall inscriptions invoking Peter and Paul.
The underground levels are carved directly into the soft volcanic tuff rock common to the Roman countryside.
The Catacombs of Saint Sebastian are an ancient multi-level underground burial site located along the Via Appia Antica in Rome. The site encompasses a deep quarry that was converted into a cemetery starting in the early 3rd century. It is named after the martyr Saint Sebastian, whose body was interred here. The complex houses the 'Platonid,' a commemorative area dedicated to the Apostles Peter and Paul featuring early graffiti and prayers. Beneath the basilica, visitors can observe original 1st-century Roman columbaria and mausoleums. The site remains a functional Christian burial location and historical site managed by the Order of Friars Minor. Subterranean tunnels span several levels, exhibiting significant decorative frescoes and epigraphic evidence of early Christian practices. It is one of the few catacombs that remained accessible throughout the Middle Ages, which facilitated its preservation as a place of pilgrimage.
The facade of the Basilica of Saint Sebastian provides a clear view of the historic architecture before entering the burial complex.
Wear comfortable, closed-toe shoes with non-slip soles, as the subterranean paths can be damp and uneven.
Bring a light jacket, as the underground temperature remains cool regardless of the external weather.
Book guided tours in advance as entry to the subterranean levels is exclusively permitted with an official guide.
Do not attempt to explore the tunnels independently, as entry is strictly controlled and guided for safety and conservation.
Closed on Sundays; may be subject to closure on major Catholic holidays.
Visitors must maintain a respectful, quiet demeanor; modest attire covering shoulders and knees is strictly required for entry into the basilica.