Samuauka is a village in Trakai District Municipality, in Vilnius County, Lithuania. Samuauka lies at 130 m above sea level. The nearest city is Alytus, 32 km to the west. Among the landmarks around are Trakai Island Castle (32 km), Raižiai Mosque (20 km) and Church of Saint Dominic in Aukštadvaris (6.2 km). Among the natural features are A. Mickevičius oak (5.5 km).