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.
Wikipedia https://en.wikipedia.org/wiki/Saint-Jean-de-Maurienne_Cathedral
Address 70 Rue Saint-Ayrald, Saint-Jean-de-Maurienne 73300, France
Coordinates 45°16'36.341" N 6°20'45.997" E