The Basilica of Our Lady of the Trinity is a Catholic church located in the city of Blois in the French department of Loire-et-Cher. It was built at the beginning of the nineteenth century according to the will of Father Jean-Baptiste, who devoted his whole life to the evangelization, and today the basilica presents a wonderful architectural and decorative harmony It is considered a major building of sacred art in the interwar period, and is characterized by a bell tower that reaches a height of 60 meters.