Zaulcai is a village in Trakai District Municipality, in Vilnius County, Lithuania. Zaulcai lies at 173 m above sea level. The nearest city is Alytus, 40 km to the southwest. Among the landmarks around are Trakai Island Castle (27 km), Basilica of the Visitation of the Blessed Virgin Mary (27 km) and Kaišiadorys Cathedral (26 km). Among the natural features are A. Mickevičius oak (6.3 km).