Saint-Jean-de-Maurienne (; or Sant-Jian-de-Môrièna; ) is a subprefecture of the Savoie department, in the region of Auvergne-Rhône-Alpes (formerly Rhône-Alpes), Southeastern France. In 2018, it had a population of 7,683. It lies in the Maurienne, the valley of the river Arc. It was also an Episcopal See of Savoy during the Ancien Régime and again from 1825 to 1966. Its original name was simply Maurienne, or Moriana in Italian and Latin. Geography Location Saint-Jean-de-Maurienne is located at the confluence of the Arc, a river which has shaped the Maurienne Valley, and the which descends the Arves Valley (Col de la Croix de Fer). The neighbouring communes of Saint-Jean-de-Maurienne are Saint-Julien-Mont-Denis, Jarrier, Hermillon, Villargondran, Albiez-le-Jeune, Albiez-Montrond, Saint-Pancrace and Pontamafrey-Montpascal. Saint-Jean-de-Maurienne is close to: Albertville (59 Km), Chambery (72 Km), Grenoble (103 Km), Turin (137 Km), and Lyon (174 Km). Climate The climate is the alpine type because of the presence of the Alpine Massif. Lines of communication and transport Roads Route nationale 6 (RN 6) A43 autoroute Col de la Croix de Fer Railway Saint-Jean-de-Maurienne is on the route of the future Lyon-Turin rail link. Homes, businesses, the current railway station and the rescue centre are affected by this project. The Lyon Turin Railway company (LTF) which manages the construction projects plans to build new railway station in the Sous-le-Bourg neighborhood, serving both the historic line and the new Lyon-Turin line. Geological and topographical investigations are underway. This project promises to be even more complex than that of the Channel Tunnel. Public transport The town of Saint-Jean-de-Maurienne is equipped with a network of public transport run by the . Air A heliport is available for the helicopter of the gendarmerie whose base is located in Modane. Urbanism Urban morphology La Bastille, les Chaudannes and les Clapeys are the three main quarters. Housing The total number of dwellings in the commune is 4,240. Among such housing, 87.9% are principal residences, 5.4% are secondary homes and 6.7% are vacant dwellings. These accommodations have a share of 17.5% as individual houses, 79.3% as apartments and finally only 3.2% as dwellings of another type. The number of residents who own their homes is 37.9%. This is lower than the national average which adds up to nearly 55.3%. The number of tenants is 56.7% throughout the housing which is higher than the national average of 39.8%. It may be noted also that 5.4% of the inhabitants of