Sept-Saulx is a commune in the Marne department in north-eastern France. Wikipedia
Sept-saulx in France offers a unique experience to travellers. The nearest major city to Sept-saulx is Paris. Paris, is a worth visiting city owing to its prime attractions like Eiffel Tower, Musee D Orsay, Notre Dame Cathedral. Also, to reach Sept-saulx, you'll have to take a flight to Paris; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Sept-saulx.
Yes,it is that simple really! Enjoy your trip! Keep travelling!