difficult building:
wiki:nl says it's a church, wiki:fr says it's a chapelle (Saint-Donat)
egliseinfo says it's a chapelle and a church (institution): (Saint-Donat)

https://books.google.be/books?id=ovzkf0TYvN0C&pg=PA47&lpg=PA47&dq=eglise+saint-donat+recogne&source=bl&ots=iZTCxOTba9&sig=ACfU3U32BQPDc8FbNk_gPxBZejZOAwfakg&hl=nl&sa=X&ved=2ahUKEwj2q4aNi9vzAhXt_7sIHUNEAuAQ6AF6BAgYEAM#v=onepage&q=eglise%20saint-donat%20recogne&f=false says it's a chapelle: Chapelle Saint-Donat

Oh, and miniardenne says it is named Chapelle Notre-Dame de la Paix.. ??