Château de la Tournelle
The Château de la Tournelle was a now-demolished castle on the left bank of the Seine in the 5th arrondissement of Paris on the quai de la Tournelle, from which it took its name. The approximate site is now occupied by the La Tour d'Argent restaurant.
Coordinates: 48°51′00″N 2°21′18″E / 48.849883°N 2.354889°E
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