Appilly

Mondescourt (French pronunciation: [mɔ̃dkuʁ]) is a commune in the Oise department in northern France.

Brétigny (French pronunciation: [bʁetiɲi]) is a commune in the Oise department in northern France.

Quierzy (French pronunciation: [kjɛʁzi]), also known as Quierzy-sur-Oise (French pronunciation: [kjɛʁzi syʁ waz]; formerly in Latin: Cariciacum, Carisiacum, Charisagum, Karisiacum), is a commune in the Aisne department in Hauts-de-France in northern France, straddling the Oise River between Noyon and Chauny.

Grandrû is a commune in the Oise department in northern France.

Marest-Dampcourt is a commune in the Aisne department in Hauts-de-France in northern France.

Caillouël-Crépigny is a commune in the Aisne department in Hauts-de-France in northern France.

The Ailette (French pronunciation: [ɛlɛt]) is a 59.5 km (37.0 mi) long river in the Aisne department in eastern France. Its source is at Sainte-Croix. It flows generally west-northwest. It is a left tributary of the Oise into which it flows between Manicamp and Quierzy, 30 km (19 mi) northeast of Compiègne. On most of its course, it shares its valley with the Canal de l'Oise à l'Aisne.

Béthancourt-en-Vaux (French pronunciation: [betɑ̃kuʁ ɑ̃ vo]) is a commune in the department of Aisne in Hauts-de-France in northern France.

Bourguignon-sous-Coucy (French pronunciation: [buʁɡiɲɔ̃ su kusi]) is a commune in the department of Aisne in Hauts-de-France in northern France.

Neuflieux is a commune in the Aisne department in Hauts-de-France in northern France.

Besmé (French pronunciation: [bɛme]) is a commune in the department of Aisne in Hauts-de-France in northern France.