Contact

Office Address
Prins Willem-Alexanderhof 5
2595 BE The Hague
The Netherlands

Postbox
P.O. Box 90407
2509 LK The Hague
The Netherlands

Telephone:  (+31) (0)70-314 09 30
Email: info@international-pro.org

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Information for visitors: 
IPRO holds office at the Royal Library (Koninklijke Bibliotheek).
Directions