The Army History Directorate (AHD) constitutes an organic Directorate of the Hellenic Army General Staff (HAGS) coming under the D' Branch of the HAGS. It is the official advisory Directorate of HAGS for all matters related to the history of the Hellenic Army.

The main task of AHD is the collection, classification and keeping of fully documented historical records necessary for the writing and publication of the history of all war periods and the modern history of the Hellenic Army.

The AHD publications as a whole constitute the panorama of the modern Hellenic military history and cover (examine) the military aspects of almost all the historical events from 1897 onwards which were instrumental in the development of modern Greece.

AHD’s contribution to the disclosure of the historical truth by means of its military history publications won recognition by the academic community. Moreover, AHD gained a reputation as one of the most reliable authorities in the field of military history for the fulfillment of its obligations towards the furtherance of scientific research and the protection and safe-keeping of the historical archive heritage.