Castles & palaces
château du Taureau
Island in Finistère, France
Wikipedia names château du Taureau as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in château du Taureau. Each title’s page links to the sentence that says so.
The Man in the Iron MaskAdventure film1998
Filming locations nearby
-
Towns & cities Plougasnou
France · 7 km east
Commune in Finistère, France
-
Towns & cities
Roscoff
France · 9 km north-west
Commune in Finistère, France
-
Towns & cities Morlaix
France · 12 km south
Commune in Finistère, France
-
Towns & cities Sibiril
France · 13 km west
Commune in Finistère, France
-
Castles & palaces
Château de Kérouzéré
France · 14 km west
French castle
-
Castles & palaces Château de Kergounadeach
France · 20 km west