Subartėnai is a village in Trakai District Municipality, in Vilnius County, Lithuania. Subartėnai lies at 162 m above sea level. It has 24 inhabitants (2021). The nearest city is Vilnius, 35 km to the east. Among the landmarks around are Trakai Island Castle (12.4 km), Vilnius Cathedral (36 km) and Basilica of the Visitation of the Blessed Virgin Mary (12.4 km).