Thury-Harcourt is twenty-four kilometers south of Caen, in the valley of the Orne.
The old name is Thury, but the marquis de Thury was erected into a duchy for the benefit of Henri d'Harcourt, Marquis de Thury as the "Duchy of Harcourt" in 1709, inducing a change of name.
During the 17th century, several families settled in Canada. With them goes the parish priest, Abbe Lesueur. They founded the parish of Saint-Sauveur, Quebec. Among them, Peter Legardeur, general of the fleet of New France, gave his name to the cities and Legardeur Repentigny, Quebec.
The city was 75% destroyed during the Battle of Normandy in July 1944. La Fleche, Sarthe, was the city's godmother 1939-1945 war of Thury-Harcourt.
Thury-Harcourt is located in the valley of the River Orne, surroundings that are undulating, as Clécy or the Roche Oëtre, are a striking contrast with the Plateau de Caen located further north. The Suisse Normande, made up of hills, attracts visitors because of the many sporting activities that can be practiced.