- Laatste nieuws
Monumentenbezit assumed temporary management of Castle Oud Wassenaar at the beginning of this year. Much has happened since then.
Other news
February 13, 2026
Spring break tips
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February 5, 2026
Green returns to the garden of Buitenplaats Trompenburgh
January 30, 2026
Volunteer vacancies Collection Care & Housekeeping Slangenburg Castle
January 15, 2026
Monumentenbezit celebrates its 10th anniversary
December 11, 2025
Subsidy from the Province of North Holland Trompenburgh Country Estate
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November 4, 2025
New acquisition: Boerhaavelaan 6 in Leiden
