Grandrû

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

Beaugies-sous-Bois (French pronunciation: [boʒi su bwa]) is a commune in the Oise department in northern France.

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

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

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

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

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

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

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

Commenchon (French pronunciation: [kɔmɑ̃ʃɔ̃]) 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.