Bartašiškė is a village in Šilalė District Municipality, in Tauragė County, Lithuania. Bartašiškė lies at 154 m above sea level. It has 62 inhabitants (2021). The nearest city is Tauragė, 32 km to the south. Among the landmarks around are Church of St. Francis of Assisi, Šilalė (11.1 km), Church of the Providence of God in Tūbinės I (5.1 km) and Biloniai Hillfort (6.1 km). Among the natural features are Medvėgalis (10.2 km) and Pundžiai Oak (5.0 km).