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Origin and history

The Citadel of Montpellier was built between 1624 and 1627 by order of Louis XIII, after the repression of Protestant revolts led by the Duke of Montmorency in 1621. His objective was to monitor the city, then mostly Protestant, and to assert royal authority. Built on the plans of Jean de Beins and under the direction of Charles Chesnel, it occupied the site of the former village of Montpellieret, dominating both the city and the Lez plain. The square-shaped fortress with four bastions was separated from the city by an esplanade, reinforcing its deterrent role.

In the 19th century, the Citadel lost its pure military use to become the Joffre barracks. In 1863, its interior buildings were rebuilt to accommodate the 2nd Engineer Regiment and the 28th Engineer Regiment (established in 1929, dissolved in 1939). During the Second World War, it served as a mobilization centre for Engineering, contributing to the formation of units such as the 28th Signal Battalion. These military transformations mark its adaptation to modern strategic needs.

In 1947, the Citadel began a new civil life by becoming the Joffre High School, after the students moved from the former Jesuit college, too small. The bastions are being redeveloped: the powderbox of the Montmorency bastion turns into an Olympic pool, and the surrounding fields become sports facilities. Since 1951, its fortifications and ditches have been classified as historical monuments, preserving this testimony of French military architecture.

Today, the school city Joffre (lycée, college and preparatory classes) occupies the 15 hectares of the compound, combining heritage and education. Of the four original bastions, only those in the south (Queen and Ventadour) and part of the walls remain intact. The bastion of the King, pierced for modern accesses, and that of Montmorency, converted into a gymnasium, illustrate the successive adaptations of the site. In 2016, a municipal project plans to showcase its star plan with a light device.

The history of the Citadel reflects the religious tensions of the seventeenth century (Huguenot revolts, royal control) and the urban evolutions of Montpellier. Its esplanade, created in 1723 and expanded in 1793 (Champ de Mars), and modified in 1844 for the railway, shows its gradual integration into the city. The walls pierced by murderers, still visible, recall its initial defensive function, while its school conversion makes it a living place, mixing memory and present.

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