Žėronys is a village in Trakai District Municipality, in Vilnius County, Lithuania. Žėronys lies at 149 m above sea level. It has 72 inhabitants (2021). The nearest city is Vilnius, 37 km to the northeast. Among the landmarks around are Trakai Island Castle (20 km), Vilnius Cathedral (37 km) and Basilica of the Visitation of the Blessed Virgin Mary (19.3 km).