Château des Evêque is the most famous of the five castles. It consists of two parts: an elevated part with a huge keep and a lower part which is also known as Château Neuf. The imposing castle originally had a circumference of 230m and was built in the 11th century by the bishops of Poitiers, who were also the lords of Chauvigny. Château d’Harcourt Near Château des Evêques is Château d’Harcourt which was built in the 12th century by the Counts d’Harcourt after which it was sold to the Bishops of Poitiers in the 15th century. The Donjon de Gouzon is a huge structure in the middle of the old town. It is located on the Place du Donjon which is in the heart of the historic centre. The Donjon is what remains of the 12th/13th century. It was first owned by the Poitou of Beaumont family and later by the Gouzon de Bourbon family.