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Origin and history

The bastion of Gréguennic is a monument located in the city of Vannes, Brittany. Although its name and location are attested, the available sources do not specify its construction period or exact historical use. This type of defensive work, often integrated with ramparts or fortified systems, generally reflects the evolution of military techniques and urban organization throughout the centuries.

In the Breton context, bastions played a key role in the protection of cities, particularly in the face of conflicts or invasions. Vannes, as a historic city, experienced several phases of fortification, reflecting its strategic importance. Monuments of this type were often linked to the daily life of the inhabitants, serving both to defend and to structure the urban space.

However, without further information, it is impossible to detail the specific role of the Grégennic bastion.

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