Miciūnai is a village in Trakai District Municipality, in Vilnius County, Lithuania. Miciūnai lies at 145 m above sea level. It has 61 inhabitants (2021). The nearest city is Vilnius, 27 km to the east. Among the landmarks around are Trakai Island Castle (7.4 km), Vilnius Cathedral (27 km) and National Museum of Lithuania (27 km).