Montmartin-sur-Mer

Hauteville-sur-Mer (French pronunciation: [otvil syʁ mɛʁ], literally Hauteville on Sea) is a commune in the Manche department in Normandy in north-western France.

Hérenguerville is a former commune in the Manche department in Normandy in north-western France. On 1 January 2019, it was merged into the commune Quettreville-sur-Sienne.

Annoville (French pronunciation: [anɔvil]) is a former commune in the Manche department in the Normandy region in northwestern France. On 1 January 2023, Annoville merged with Lingreville to form Tourneville-sur-Mer.

Montchaton (French pronunciation: [mɔ̃ʃatɔ̃]) is a former commune in the Manche department in Normandy in north-western France. On 1 January 2016, it was merged, together with the commune of Orval, into the new commune of Orval-sur-Sienne.

The Château de Regnéville is a ruined 14th century castle in the commune of Regnéville-sur-Mer in the Manche département of France. Built at the edge of the Sienne river estuary, it was intended to protect the important dry harbour of Regnéville-sur-Mer, one of the most active of the Cotentin Peninsula from the Middle Ages until the 17th century. Partly dismantled at the end of the Hundred Years' War, it was much altered during the 17th and 18th centuries. Today it is the property of the département. Archaeological excavations and restoration work are gradually bringing it back to life.

Regnéville-sur-Mer (French pronunciation: [ʁəɲevil syʁ mɛʁ]) is a commune in the Manche department in Normandy in north-western France.

Lingreville (French pronunciation: [lɛ̃ɡʁəvil]) is a former commune in the Manche department in Normandy in north-western France. On 1 January 2023, Lingreville merged with Annoville to form Tourneville-sur-Mer.

Tourneville-sur-Mer is a commune in the Manche department in Normandy in northern France. It was established on 1 January 2023 from the amalgamation of the communes of Annoville and Lingreville.

Heugueville-sur-Sienne is a commune in the Manche department in northwestern France.

The Sienne (French pronunciation: [sjɛn]) is a 92.6 km (57.5 mi) long river in northwestern France located in the departments of Calvados and Manche, Normandy. It flows into the English Channel near Regnéville-sur-Mer. Its longest tributaries are the Soulles and the Airou. The largest towns on the Sienne are Villedieu-les-Poêles and Quettreville-sur-Sienne.

Bricqueville-la-Blouette (French pronunciation: [bʁikvil la blwɛt]) is a commune in the Manche department in Normandy in northwestern France.