Valuikos is a village in Trakai District Municipality, in Vilnius County, Lithuania. Valuikos lies at 105 m above sea level. The nearest city is Alytus, 30 km to the west. Among the landmarks around are Trakai Island Castle (34 km), Raižiai Mosque (17.7 km) and Pilėnai (23 km). Among the natural features are A. Mickevičius oak (6.3 km).