Bartupis is a village in Šakiai District Municipality, in Marijampolė County, Lithuania. Bartupis lies at 61 m above sea level. The nearest city is Kaunas, 54 km to the east. Among the landmarks around are Panemunė Castle (9.2 km), Christmemel (12.7 km) and Church of the Assumption, Veliuona (13.1 km). Among the natural features are Raudonės liepa (7.3 km).