Church of San Gaetano alle Grotte, Early Christian church and archaeological site in Piazza Carlo Alberto, Catania, Italy.
Church of San Gaetano alle Grotte is an Early Christian structure with two distinct levels built over each other. The upper sanctuary sits above an underground chapel carved into and constructed within a natural lava cave system, accessed by a steep narrow staircase of lava stone.
The original building, known as Santa Maria La Grotta, was built between 260 and 300 AD. It was reconstructed multiple times following the Muslim conquest of Sicily and the devastating 1693 earthquake that reshaped the region.
The underground church currently serves both Catholic ceremonies and hosts services for the Moldovan Orthodox Church of Parohia Sfintei Muceniţe Agafia din Catania.
To reach the underground chapel, visitors must descend a steep and narrow staircase made of lava stone. The space requires secure footing and comfort with confined underground areas.
The underground space was originally fed by a natural water source and an ancient well, which caused regular flooding. Over time, sediment filled the structure and halted these water movements.
Location: Catania
Architectural style: Early Christian architecture
GPS coordinates: 37.50873,15.08827
Latest update: December 12, 2025 14:21
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