The Open Monument Day has been held nationwide since 1993 as part of the European Heritage Days. In Berlin, it will be celebrated this year on 9th and 10th of September 2023. Admission to the Spandau Citadel is free on both days. On Sunday, 10th of September, you can expect a diverse program around the fortress. An overview of the special events and current exhibitions at the Citadel you can find here.
/ Admission and program free of charge
