De Administrando Imperio is the Latin title of a Greek-language work written by the 10th-century Eastern Roman Emperor Constantine VII. The Greek title of the work is Πρὸς τὸν ἴδιον υἱὸν αὐτοῦ Ῥωμανὸν. It is a domestic and foreign policy manual for the use of Constantine's son and successor, the Emperor Romanos II. It is a prominent example of Byzantine encyclopaedism.
Constantine VII Porphyrogenitus in a 945 carved ivory.
Constantine VII Porphyrogenitus was the fourth Byzantine emperor of the Macedonian dynasty, reigning from 6 June 913 to 9 November 959. He was the son of Emperor Leo VI and his fourth wife, Zoe Karbonopsina, and the nephew of his predecessor Alexander.
Constantine VII crowned by Christ, detail of an ivory plaque, Pushkin Museum, AD 945
Gold solidus depicting Leo VI and Constantine VII, 908–913.
Zoe Karbonopsina and Constantine VII, 914–919.
Romanos I Lekapenos and Constantine VII, 920–945.