Fortresses & citadels in Europe
Fortresses & citadels across Europe, in 1,743 towns and cities: 3,155 listed in total. Pure military architecture — star forts, citadels and garrison strongholds engineered for artillery rather than lords and banquets.
- 91 UNESCO World Heritage
- 10 free to visit
- 21 house a museum
- 5 castle hotels
Choose a city
- Acronauplia
- Acropolis of AthensUNESCO
- Acropolis of Serres
- Agaton Fort
- AggersborgUNESCO
- Agios Andreas Fortress
- Alba Iulia Fortress
- Albeck Fort
- Almirantearen gotorlekuaUNESCO
- Angel's Fort in Świnoujście
- AniUNESCO
- Appia Pignatelli Battery
- Archcliffe Fort
- Ardud fortress
- Armored Fort Bibice 45a
- Arras citadelUNESCO
- Arrow Fort
- Artilleriewerk Naters
- Artillery Fort of Champex
- Asterstein FortUNESCO
- Ayasuluk CitadelUNESCO
- Bagsværdfortet
- Baħar iċ-Ċagħaq Redoubt
- Bastille
Common questions
How many fortresses & citadels are there in Europe?
3,155 — each with its location on the map, what it is, and the visiting details we could confirm.
Are fortresses & citadels in Europe free to visit?
10 of 3,155 are confirmed free to visit, and 18 are ticketed. For the rest, entry is not confirmed yet — check each listing.
Are any fortresses & citadels in Europe UNESCO World Heritage Sites?
Yes — 91 of 3,155 are UNESCO-listed. Look for the World Heritage badge on the list.
Can you stay overnight in a castle in Europe?
Yes — 5 are castle hotels, with historic rooms you can book.