Markūnai is a village in Trakai District Municipality, in Vilnius County, Lithuania. Markūnai lies at 157 m above sea level. The nearest city is Vilnius, 37 km to the east. Among the landmarks around are Trakai Island Castle (18.0 km), Vilnius Cathedral (37 km) and Basilica of the Visitation of the Blessed Virgin Mary (17.1 km).