The Christian Archaeological Society (XAE) was founded in 1884 and is one of the oldest scientific associations in Greece.
Its aim is to promote research and all other scholarly activity in the sector of Byzantine and Post-Byzantine Archaeology and Art.

To achieve its aims, the XAE:
Publishes an annual periodical of international status, the Deltion of the Christian Archaeological Society (DChAE, Δελτίον της Χριστιανικής Αρχαιολογικής Εταιρείας) This is the only periodical devoted exclusively to issues of Byzantine and Post-Byzantine Archaeology and Art, published in Greece.
The XAE also publishes a series of monographs entitled Τετράδια Βυζαντινής Αρχαιολογίας και Τέχνης (Notebooks of Byzantine Archaeology and Art).
It organizes an annual spring conference, the Symposium of Byzantine and Post-Byzantine Archaeology and Art.
It holds specialist conferences, lectures and other events.
The XAE also deeply interested in the preservation and protection of the cultural heritage, collaborating with the responsible services of the Hellenic Ministry of Culture and scientific institutions in Greece and abroad.