Fortresses & citadels in Amsterdam

Fortresses & citadels in and around Amsterdam: 6 listed. Pure military architecture — star forts, citadels and garrison strongholds engineered for artillery rather than lords and banquets.

Common questions

How many fortresses & citadels are there in and around Amsterdam?

6 — each with its location on the map, what it is, and the visiting details we could confirm.

Can you go inside the fortresses & citadels in and around Amsterdam?

Entry details are not confirmed yet for most of them — open each listing and check locally before you travel.

Are any fortresses & citadels in and around Amsterdam UNESCO World Heritage Sites?

Yes — 4 of 6 are UNESCO-listed. Look for the World Heritage badge on the list.