The Arian Baptistery
built by the Gothic King Theodoric (493-526), like the Baptistery of
the ancient Arian Cathedral, which is today the Church of the Spirito
Santo. He later reconciled with the Orthodox worship at the time of
Archbishop Agnello, like the orator dedicated to the Virgin Mary. With
its octagonal shape, the Abbey conserves precious mosaics, depicting the
procession of the Apostles around a central medallion with the Baptism
The Arian Baptistery is a UNESCO World Heritage Site.