![Leuilly-sous-Coucy Leuilly-sous-Coucy](/modules/owlapps_apps/img/errorimg.png)
Leuilly-sous-Coucy (French pronunciation: [lœji su kusi]) is a commune in the Aisne department in Hauts-de-France in northern France.
The river Ailette forms all of the commune's northern border.
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