Rochefort (), also known as Rochefort-sur-Mer (French pronunciation: [ʁɔʃfɔʁ syʁ mɛʁ]), is a commune in Southwestern France, a port on the Charente estuary. It is a subprefecture of the Charente-Maritime department in the Nouvelle-Aquitaine region. In 2018, it had a population of 23,583.
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