La Roche-Guyon

France

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Description

La Roche-Guyon is a commune in the Val-d'Oise department in Île-de-France in northern France. It is located in the Vexin regional national park [fr]. The commune grew around the Château de La Roche-Guyon, upon which historically it depended for its existence. The commune's population in 2015 was 464. [Source: Wikipedia](https://en.wikipedia.org/wiki/La_Roche-Guyon)