Cognac is a commune in the Charente department in southwestern France. It is a sub-prefecture of the department.

Cognac is situated on the river Charente between the towns of Angoulême and Saintes. The majority of the town has been built on the river's left bank, with the smaller right bank area known as the Saint Jacques district. The town is situated on one of the pilgrimage routes to Santiago de Compostela and is home to the French Air Force training base 709. Cognac is 400 kilometres (250 mi) southwest of Paris.

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