Roman Catholic Diocese of Saint-Jean-de-Maurienne

Saint-Jean-de-Maurienne (French pronunciation: [sɛ̃ ʒɑ̃ də mɔʁjɛn] ; Arpitan: Sent-Jian-de-Môrièna or Sant-Jian-de-Môrièna; Italian: San Giovanni di Moriana) is a subprefecture of the Savoie department, in the region of Auvergne-Rhône-Alpes (formerly Rhône-Alpes), Southeastern France. 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.

Saint-Jean-de-Maurienne Cathedral is a church in Saint-Jean-de-Maurienne, Savoie, that is one of two co-cathedrals of the Roman Catholic Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise. Until 1966, it was the cathedral of the Diocese of Saint-Jean-de-Maurienne. It is dedicated to John the Baptist. It was built in the 6th century and rebuilt in the 11th. In 1771, a neoclassical porch was added. It holds the remains of the first three counts of the House of Savoy: Humbert I, Amadeus I and Boniface.

The arrondissement of Saint-Jean-de-Maurienne is an arrondissement of France in the Savoie department in the Auvergne-Rhône-Alpes region. It has 53 communes. Its population is 43,091 (2016), and its area is 1,976.0 km2 (762.9 sq mi). The area corresponds to the former province of Maurienne.

Saint-Jean-de-Maurienne (also Saint-Jean de Maurienne - Vallée de l'Arvan) is a railway station located in Saint-Jean-de-Maurienne, Savoie, France. The station was opened on 20 October 1856 and is located on the Culoz–Modane railway. The train services are operated by SNCF.

The canton of Saint-Jean-de-Maurienne is an administrative division of the Savoie department, southeastern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Saint-Jean-de-Maurienne.It consists of the following communes:

Saint-Pancrace (French pronunciation: [sɛ̃ pɑ̃kʁas]) is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.

Albiez-le-Jeune is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.

Villargondran is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.

Hermillon is a former commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2019, it was merged into the new commune La Tour-en-Maurienne.

La Tour-en-Maurienne is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. It was established on 1 January 2019 by merger of the former communes of Hermillon (the seat), Le Châtel and Pontamafrey-Montpascal.

Jarrier (French pronunciation: [ʒaʁje]; Arpitan: Jarriér) is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.

Le Châtel is a former commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2019, it was merged into the new commune La Tour-en-Maurienne.