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Origin and history

The PaleoChristian Baptistery of Saint John, located in Ajaccio, Corsica, dates from the beginning of the sixth century. It is distinguished by its opus incertum structure and its plane centered around an apse housing a baptismal tank. This vessel, originally of cruciform form, bears witness to the first Christian practices in the region. The building, partially preserved, is now limited to a single wall, but its layout reveals a spatial organization typical of paleo-Christian Baptisteries.

During the 6th or early 7th century, the Baptistery underwent major changes: it was partially destroyed to be integrated into a new church. The original cruciform tank is then replaced by a circular basin, reflecting a liturgical or architectural evolution. Although its connection to a primitive cathedral is mentioned, its location remains unknown. The current remains, classified as Historic Monument in 2013, offer a valuable overview of the first Christian places of worship in Corsica.

The location of the site, in the centre of Ajaccio (rue of Dr Del Pellegrino), raises questions about its insertion into the ancient urban fabric. The accuracy of its geographical location is considered fair (note 5/10), suggesting uncertainties about its exact grip. Private property, the site retains all protected elements on Parcel BP 102, but its accessibility to the public is not documented.

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