Rozoy-Bellevalle (French pronunciation: [ʁozwa bɛlval]) is a commune in the Aisne department in Hauts-de-France in northern France.

It is part of the canton of Essômes-sur-Marne and the arrondissement of Château-Thierry.

[3] Balloonist Henry de La Vaulx lived at the castle there and is buried there.

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