The Castle Map atlas charts 16 castles, 4 fortresses, 5 palaces & châteaux and 38 ruins in Alsace. They span from c. 1025 to 1893.
The best known is Neuf-Brisach, #128 of 9,079 worldwide.
Where they are
Country pages: France.
Freiburg im Breisgau · Strasbourg · Basel · Saarbrücken · Mulhouse · Colmar
Travelling rather than browsing? The Alsace castle route puts 32 of them in travel order, Wissembourg to Mulhouse.
See them on the map →