Lillebonne

Caux Seine Agglo (before November 2017: Communauté d'agglomération Caux vallée de Seine) is a communauté d'agglomération in the Seine-Maritime department of the Normandy region of northern France. It was created as a communauté de communes on January 1, 2008. It is a communauté d'agglomération since January 2017. It evolved from an amalgamation of three earlier communautés de communes - Port-Jérôme, Caudebec-en-Caux and Canton of Bolbec. Its area is 574.3 km2. Its population was 77,906 in 2018.

The Canton of Lillebonne is a former canton situated in the Seine-Maritime département and in the Haute-Normandie region of northern France. It was disbanded following the French canton reorganisation which came into effect in March 2015. It had a total of 27,873 inhabitants (2012).

Saint-Jean-de-Folleville (French pronunciation: [sɛ̃ ʒɑ̃ də fɔlvil]) is a commune in the Seine-Maritime department in the Normandy region in northern France.

La Trinité-du-Mont (French pronunciation: [la tʁinite dy mɔ̃]) is a commune in the Seine-Maritime department in the Normandy region in northern France.

The river Bolbec (French pronunciation: [bɔlbɛk]) or Commerce (French pronunciation: [kɔmɛʁs] ) is one of the rivers that flow from the plateau of the southern Pays de Caux in the Seine-Maritime département of Normandy into the Seine. It is 15.5 km (9.6 mi) long.The river rises at Bolbec and passes Gruchet-le-Valasse, where its name changes to the Commerce. It then passes through Lillebonne and joins the Seine at Notre-Dame-de-Gravenchon.

La Frénaye is a commune in the Seine-Maritime department in the Normandy region in northern France.

Port-Jérôme-sur-Seine (French pronunciation: [pɔʁ ʒeʁom syʁ sɛn]) is a commune in the department of Seine-Maritime, northern France. The municipality was established on 1 January 2016 by merger of the former communes of Notre-Dame-de-Gravenchon, Auberville-la-Campagne, Touffreville-la-Cable and Triquerville.

The canton of Port-Jérôme-sur-Seine (before March 2020: canton of Notre-Dame-de-Gravenchon) is an administrative division of the Seine-Maritime department, in northern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Port-Jérôme-sur-Seine.It consists of the following communes:

Notre-Dame-de-Gravenchon (French pronunciation: [nɔtʁ dam də ɡʁavɑ̃ʃɔ̃]) is a former commune in the Seine-Maritime department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Port-Jérôme-sur-Seine.

Lintot (French pronunciation: [lɛ̃to]) is a commune in the Seine-Maritime department in the Normandy region in northern France.

Gruchet-le-Valasse (French pronunciation: [ɡʁyʃɛ lə valas]) is a commune in the Seine-Maritime department of the Normandy region in northern France.