Guess the French region with the help of this clue: an Irish connection

In which of France's 13 regions was this photo taken?

Where is this building and who studied here?

Tradition has it that in the 5th Century, a certain Irish missionary spent time studying in this impressive island monastery.

Can you guess where it is located?

Click to show answer
A) St Patrick is said to have spent time studying at L’abbaye de Lérins, on the l’île Saint-Honorat, off the Riviera coast in region of Provence-Alpes-Côte d'Azur
An Irish missionary is said to have studied here in the 5th Century