Ubiškės is a village in Trakai District Municipality, in Vilnius County, Lithuania. Ubiškės lies at 178 m above sea level. It has 65 inhabitants (2021). The nearest city is Alytus, 42 km to the southwest. Among the landmarks around are Trakai Island Castle (25 km), Basilica of the Visitation of the Blessed Virgin Mary (25 km) and Trakai Kenesa (25 km). Among the natural features are A. Mickevičius oak (7.9 km).