Montreuil Abbey
Rocquigny, France · built 1101
Montreuil Abbey, or Montreuil-les-Dames, was a Cistercian nunnery in the Diocese of Laon, France, located at first at Montreuil-en-Thiérache (commune of Rocquigny, department of Aisne) until the 17th century and afterwards in Laon, where it was known as Montreuil-sous-Laon.
Monastery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).