title: Montmartin-en-Graignes
text: # Montmartin-en-Graignes
  
  Montmartin-en-Graignes (French pronunciation: ​) is a former commune in the Manche department in Normandy in north-western France. On 1 January 2019, it was merged into the commune Carentan-les-Marais.
  
  