Châteaux of the 12th century
Restes du château de Guillaume le Conquérant
Bonneville-sur-Touques · Calvados — France — XI–XII
Restes du château de Guillaume le Conquérant is a château at Bonneville-sur-Touques, Calvados, in the Normandie region of France. The recorded building campaigns date from the 11th and 12th centuries. It is protected as a monument historique at the higher of the two levels (classé). Details are drawn from the Base Mérimée of the French Ministry of Culture.
Restes du château de Merle
Saint-Geniez-ô-Merle · Corrèze — France — XII–XV
Restes du château de Merle is a château at Saint-Geniez-ô-Merle, Corrèze, in the Nouvelle-Aquitaine region of France. The recorded building campaigns date from the 12th and 15th centuries. It is protected as a monument historique at the higher of the two levels (classé). Details are drawn from the Base Mérimée of the French Ministry of Culture.
Restes du château de Roussillon
Maxou · Lot — France — XII–XV
Restes du château de Roussillon is a château at Maxou, Lot, in the Occitanie region of France. The recorded building campaigns date from the 12th and 15th centuries. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.

Restes du château de Trémazan
Landunvez · Finistère — France — XII–XV
Restes du château de Trémazan is a château at Landunvez, Finistère, in the Bretagne region of France. The recorded building campaigns date from the 12th, 13th, 14th and 15th centuries. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.

Restes du château des Anglais
Brengues · Lot — France — XII
Restes du château des Anglais is a château at Brengues, Lot, in the Occitanie region of France. The recorded building campaign dates from the 12th century. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.

Restes du château des Anglais
Autoire · Lot — France — XI–XII
Restes du château des Anglais is a château at Autoire, Lot, in the Occitanie region of France. The recorded building campaigns date from the 11th and 12th centuries. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.

Restes du château du Chaylard
Aujac · Gard — France — XII–XIV
Restes du château du Chaylard is a château at Aujac, Gard, in the Occitanie region of France. The recorded building campaigns date from the 12th and 14th centuries. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.
Restes du vieux château féodal
Cluis · Indre — France — XII–XIII
Restes du vieux château féodal is a château at Cluis, Indre, in the Centre-Val de Loire region of France. The recorded building campaigns date from the 12th and 13th centuries. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.

Rietburg
Rhodt unter Rietburg · Südliche Weinstraße — Germany — XII
Rietburg is a château at Rhodt unter Rietburg, in Germany. The recorded building campaign dates from the 12th century. The register records it as “Kulturdenkmal”. Details are drawn from Wikidata.

Rocca del Leone
Castiglione del Lago · Apostolic Delegation of Perugia — Italy — XII
Rocca del Leone is a château at Castiglione del Lago, Umbria, in Italy. The recorded building campaign dates from the 12th century. Its architecture is recorded as medieval architecture. The register records it as “Italian national heritage”. Details are drawn from Wikidata.

Rocca di Gusaliggio
Valmozzola — Italy — XII
Rocca di Gusaliggio is a château at Valmozzola, Emilia-Romagna, in Italy. The recorded building campaign dates from the 12th century. The register records it as “Italian national heritage”. Details are drawn from Wikidata.

Rocca Estense
San Martino in Rio — Italy — XII
Rocca Estense is a château at San Martino in Rio, Emilia-Romagna, in Italy. The recorded building campaign dates from the 12th century. The register records it as “Italian national heritage”. Details are drawn from Wikidata.

Rocca Maggiore
Assisi — Italy — XII
Rocca Maggiore is a château at Assisi, Umbria, in Italy. The recorded building campaign dates from the 12th century. Its architecture is recorded as medieval architecture. The register records it as “Italian national heritage”. Details are drawn from Wikidata.
Rosenburg
Herisau — Switzerland — XII
Rosenburg is a château at Herisau, Appenzell Ausserrhoden, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class A Swiss cultural property of national significance”. Details are drawn from Wikidata.
- XII
Ruderi del castello di Rebecco
Vetto — Italy — XII
Ruderi del castello di Rebecco is a château at Vetto, Emilia-Romagna, in Italy. The recorded building campaign dates from the 12th century. The register records it as “Italian national heritage”. Details are drawn from Wikidata.

Rufford Abbey
Rufford · East Midlands — United Kingdom — XII
Rufford Abbey is a château at Rufford, in the United Kingdom. The recorded building campaign dates from the 12th century. The register records it as “scheduled monument”. Details are drawn from Wikidata.
- XII
Ruine Alt Rued
Schlossrued — Switzerland — XII
Ruine Alt Rued is a château at Schlossrued, Aargau, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class B Swiss cultural property of regional significance”. Details are drawn from Wikidata.

Ruine Alt-Signau
Bowil — Switzerland — XII
Ruine Alt-Signau is a château at Bowil, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class B Swiss cultural property of regional significance”. Details are drawn from Wikidata.

Ruine Alt-Süns
Domleschg — Switzerland — XII
Ruine Alt-Süns is a château at Domleschg, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class B Swiss cultural property of regional significance”. Details are drawn from Wikidata.

Ruine Alt-Wartburg
Oftringen — Switzerland — XII
Ruine Alt-Wartburg is a château at Oftringen, Aargau, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class A Swiss cultural property of national significance”. Details are drawn from Wikidata.
Ruine Auersburg
Hilders · Kassel Government Region — Germany — XII
Ruine Auersburg is a château at Hilders, in Germany. The recorded building campaign dates from the 12th century. The register records it as “Kulturdenkmal”. Details are drawn from Wikidata.

Ruine Böbikon
Zurzach — Switzerland — XII
Ruine Böbikon is a château at Zurzach, Aargau, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class B Swiss cultural property of regional significance”. Details are drawn from Wikidata.

Ruine der Burg La Soie
Savièse — Switzerland — XII
Ruine der Burg La Soie is a château at Savièse, Valais, in Switzerland. The recorded building campaign dates from the 12th century. The register records it as “class B Swiss cultural property of regional significance”. Details are drawn from Wikidata.
- XII
Ruine der Niederburg
Manderscheid · Wittlich-Land — Germany — XII
Ruine der Niederburg is a château at Manderscheid, Rhineland-Palatinate, in Germany. The recorded building campaign dates from the 12th century. The register records it as “cultural heritage monument in Rhineland-Palatinate”. Details are drawn from Wikidata.