Créteil is a commune in the southeastern suburbs of Paris, Île-de-France. It is located 11.7 km from the centre of Paris. Créteil is the préfectur…Créteil is a commune in the southeastern suburbs of Paris, Île-de-France. It is located 11.7 km from the centre of Paris. Créteil is the préfecture of the Val-de-Marne department as well as the seat of the Arrondissement of Créteil. The city is, moreover, the seat of a Roman Catholic diocese and of one of France's 30 nationwide académies of the Ministry of National Education.