Marennes, Delegated commune in Charente-Maritime, France.
Marennes covers an area of 20.09 square kilometers in the Charente-Maritime department and has approximately 5,647 inhabitants known as Marennais.
The history of Marennes dates back to Roman times when the region was known as Terra Maritimensis and already exploited local salt works.
The Saint-Pierre church of Marennes features the highest Gothic bell tower in the department reaching 85 meters and classified as a historical monument.
Marennes is accessible through postal code 17320 and sits at an elevation of 7 meters within the arrondissement of Rochefort.
Marennes produces the famous green oysters that derive their particular coloration from the refining process in the local oyster beds called claires.
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