La Corne-en-Vexin is a commune in the Oise department in northern France. It was established on 1 January 2019 by merger of the former communes of Énencourt-le-Sec (the seat), Boissy-le-Bois and Hardivillers-en-Vexin.Arrêté préfectoral 28 September 2018 and 14 December 2018

See also Communes of the Oise department

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