Dėdeliškės is a village in Trakai District Municipality, in Vilnius County, Lithuania. Dėdeliškės lies at 120 m above sea level. It has 183 inhabitants (2021). The nearest city is Vilnius, 15.2 km to the east. Among the landmarks around are Vilnius Cathedral (15.2 km), Trakai Island Castle (8.7 km) and National Museum of Lithuania (15.3 km). Among the natural features are Tauras Hill (14.2 km) and Viktoras Bergas oak (2.9 km).