Les Trois-Châteaux (; "The Three Castles") is a commune in the Juradepartment of eastern
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
. The municipality was established on 1 April 2016 by the merger of the former communes of L'Aubépin, Chazelles and Nanc-lès-Saint-Amour (the seat). On 1 January 2019, the former commune
Saint-Jean-d'Étreux
Saint-Jean-d'Étreux () is a former commune in the Jura department in the Bourgogne-Franche-Comté region in eastern France. On 1 January 2019, it was merged into the commune Les Trois-Châteaux.Arrêté préfectoral 22 November 2018
See also
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Communes of the Jura department
The following is a list of the 492 communes of the Jura department of France.
The communes cooperate in the following intercommunalities (as of 2025):