オー＝ド＝フランスの城と要塞

Castles and Forts

This collection highlights the diverse defensive architecture of northern France, ranging from coastal bastions like Fort Mahon and Fort Risban to the unique fortified churches of the Aisne department. The list features 15th-century structures like the Palais Rihour in Lille alongside the medieval ruins of Château-Thierry and the 19th-century Neo-Tudor style of Château d'Hardelot. These sites document centuries of military strategy and regional heritage across the Hauts-de-France landscape.