Katra is a village in Varėna District Municipality, in Alytus County, Lithuania. Katra lies at 131 m above sea level. It has 35 inhabitants. The nearest city is Alytus, 57 km to the northwest. Among the landmarks around are Grūtas Park (33 km), Church of the Intercession of Our Lady in Sabakincy (10.2 km) and Church in Nača (19.8 km).