Origin and history

The church Saint-Hilaire de Proulieu is a monument located in the commune of Lagnieu, in the Auvergne-Rhône-Alpes region. Although its name and location are known, the available sources do not specify its construction period or details of its architectural or religious history. In this region, local churches traditionally played a central role in community life, serving as a place of worship, assembly and identity marker for the inhabitants.

Their construction and maintenance often reflected the resources and priorities of the surrounding rural or urban communities.