Montmajour Abbey

Montmajour Abbey, formally the Abbey of St. Peter in Montmajour, was a fortified Benedictine monastery built between the 10th and 18th centuries on what was originally an island five kilometers north of Arles, in what is now the Bouches-du-Rhône Department, in the region of Provence in the south of France.

The abbey complex consists of six sections:

the hermitage, dating from the 11th century, which includes the Chapel of St. Peter;

Source: Wikipedia