Baptistery of St. John the Baptist (Thessaloniki)

The Baptistery of St. John the Baptist of Thessaloniki, considered as the oldest early Christian baptistery and assigned to the building complex of a five-aisled episcopal basilica of the fifth century.

The baptistery identified at the excavations of the Byzantine church of Hagia Sophia. It consists of a room with platforms and includes a font. It was in direct contact with the royal in the 5th century from the hallway with a mosaic floor.

40°37′57″N 22°56′49″E / 40.6324°N 22.9469°E / 40.6324; 22.9469

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v t e Byzantine monuments of Thessaloniki
UNESCO	Arch of Galerius and Rotunda Byzantine Bath Church of the Acheiropoietos Church of Hagios Demetrios Church of St. Catherine Hagia Sophia Church of the Holy Apostles Vlatades Monastery Church of St. Nicholas Orphanos Church of Panagia Chalkeon Church of St. Panteleimon Church of the Saviour Church of Prophet Elijah Church of Hosios David (Latomos Monastery) City Walls
Other	Baptistery of St. John the Baptist Cemetery Basilica Heptapyrgion Church of the Archangels Church of Taxiarches
Museums	Museum of Byzantine Culture