Guermantes (French pronunciation: [ɡɛʁmɑ̃t] ) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. It is located in the Val de Bussy sector of Marne-la-Vallée. As of 2012, its population was 1,191. Writer Marcel Proust adopted its name for the origin of the Guermantes family in À la recherche du temps perdu. Proust Scholar Joshua Landy points out that the only reason Proust "used it in his novel is that no living members of the family remained.”. Demographics. Inhabitants are called Guermantais. Schools.
https://en.wikipedia.org/wiki/Guermantes