Le Chesnay-Rocquencourt () is a commune in the western suburbs of

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

, in the department of

Yvelines Yvelines () is a department in the western part of the Île-de-France region in Northern France. In 2019, it had a population of 1,448,207.Le Chesnay Le Chesnay () is a former commune in the Yvelines department in the Île-de-France region in north-central France. On 1 January 2019, it was merged into the new commune Le Chesnay-Rocquencourt. It is located in the western suburbs of Paris, fr ...

and

Rocquencourt Rocquencourt refers to two places in France: * Rocquencourt, Yvelines Rocquencourt () is a former commune in the Yvelines department in the Île-de-France in north-central France. On 1 January 2019, it was merged into the new commune Le Chesna ...

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{{DEFAULTSORT:Chesnay-Rocquencourt Communes of Yvelines Communes nouvelles of Yvelines Populated places established in 2019 2019 establishments in France