 This intercommunal structure is also part of the "Pays d'Aunis" whose headquarters are at Courçon.The "Community of Communes of Plaine d'Aunis" is the most populous part of the "Pays d'Aunis".Since the elctoral redistricting of November 1986 (under the Pasqua law), the city of "Aigrefeuille d'Aunis" and its canton belong to the Second Legislative District of Charente-Maritime, also called the "Rochefort Riding" of "Pays d'Aunis".