The commune of Nantouillet is a commune in Seine-et-Marnaise located to the east of the Canton of Mitry-Mory. It covers 515 hectares. Nantouillet is a charming little village located in the natural region of Goële, about thirty kilometers north-east of Paris. It is part of the Community of Communes Plaines et Monts de France.
The locality is known for its castle built around 1525 by Antoine Duprat, one of the first Renaissance châteaux built in Île-de-France, and its Saint-Denis church, rebuilt in the 16th century, also marked by the Renaissance style..
The inhabitants of Nantouillet are the Nantolétains.
