This commune covers an area of 3.8km² and has nearly 150 inhabitants who are known as ‘Roncenaysiens’. It is about 14 km south-west of Troyes. Reached via the D109 or the D190, it is 10km from junction 21 (Saint-Thibault) of the A5 from Paris.

Roncenay is a verdant village huddled around a small wood. It is surrounded by fields, and has views over the small valleysRural cottages made of brick or half-timbering, farmhouses and barns are dotted around the countryside of Roncenay, which has a thriving community.

Alongside the D109, a plaque on the Mairie commemorates victims of the First World War. A few metres away, the brick and stone wash house contributes to the rural charm of Roncenay and recalls the recent past of the Roncenaysiens.