10th century châteaux in Brittany
Ancien hôtel du Parlement de Bretagne, dit Château-Gaillard
Vannes · Morbihan — France — VIII–XV
Ancien hôtel du Parlement de Bretagne, dit Château-Gaillard is a château at Vannes, Morbihan, in the Bretagne region of France. The recorded building campaigns date from the 8th, 9th, 10th 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.

Château de Callac
Plumelec · Morbihan — France — X–XVII
Château de Callac is a château at Plumelec, Morbihan, in the Bretagne region of France. The recorded building campaigns date from the 10th and 17th centuries. Its architecture is recorded as Renaissance architecture. 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.