OAPEN is based in the Netherlands, with its registered office in the National Library in The Hague.
Director: Niels Stern
Address:
OAPEN Foundation
Prins Willem-Alexanderhof 5
2525 BE The Hague
Postal address:
OAPEN Foundation
P.O. Box 90407
2509 LK The Hague
Websites:
OAPEN Home: www.oapen.org
OAPEN Library: library.oapen.org
DOAB: www.doabooks.org