Orval Abbey built
1101 CE.
Shown on the map at 49.640°, 5.349°.
Orval Abbey (Abbaye Notre-Dame d'Orval) is a Cistercian monastery founded in 1132 in the Gaume region of Belgium, located in Villers-devant-Orval, part of Florenville, Wallonia in the province of Luxembourg. The abbey is well known for its history and spiritual life but also for its local production of the Trappist beer Orval and a specific cheese.
Text from the Wikipedia article Orval Abbey, licensed CC BY-SA 4.0.