Crépy-en-Valois is a commune in the Picardy region in the Oise department in the north of France. The two listed historical monuments are the Saint-Thomas-de-Canterbury collegiate church and the Porte de Paris. The first one goes back to its oldest elements in the 12th century, when the city prospered under the guidance of the Dukes of Valois. The second one dates from 1788-1792 and is located rue Charles de Gaulle.