Châteaurenaud is a former commune in the department of Saône-et-Loire in eastern France. It is a suburb of Louhans and was incorporated into that commune in July 1973.Commune supprimée de Châteaurenaud, INSEE Louhans was officially renamed Louhans-Châteaurenaud in 2026.Décret n° 2025-815 du 12 août 2025 portant changement du nom de communes, Légifrance.
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