DEUX-SEVRES VILLAS, COTTAGES & HOUSES FOR SALE| Search for property for sale in Deux Sevres, France – Contact owners directly on Buy-in-France. Deux-Sevres is named after the two rivers, the Sevre Nantaise and the Sevre Niortaise – it boasts a lovely countryside, nice sandy beaches and is best known for its beautiful rivers particularly around Mothe Saint Heray and the ThouetValley.The department is well-known due to the Marais Poitevin, known as the Venise Verte (Green Venice) and because it is home to the Marshland National Park.