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The Library of the National Defence Institute (IDN), established in 1969, is a reference library in the areas of Security, Defence, Strategy, International Relations, Geopolitics, Foreign Policy and Political Science, providing support to the training and research activities of the Institute, to auditors of all courses delivered at IDN and to the whole community researching into these subject areas.

With around 8007 monograph titles and 208 journal titles, 70 of which correspond to currently updated collections, the documentary resources also include a number of Yearbooks and Reference Works such as the SIPRI Yearbook, the Military Balance and Janes.
In addition to bibliographical information on monographs and journal titles, the Catalogue includes around 27.500 records of articles from periodicals.

The IDN Library provides the following services:

  • Reading room;
  • Library search support service;
  • Bibliographic research;
  • Access to all documentation listed in the Bibliographical Catalogue;
  • Loan services;
  • Interlibrary loan system.

For any inquiries regarding services provided by the IDN Library, please contact us by email to the address:

The Library is open to the public every working day between 9 am - 1 pm and between 2 pm - 5 pm. All requests for documentation must be submitted by 4:30 pm.