Gaučai is a village in Šilalė District Municipality, in Tauragė County, Lithuania. Gaučai lies at 156 m above sea level. It has 33 inhabitants (2021). The nearest city is Tauragė, 34 km to the southwest. Among the landmarks around are Church of the Immaculate Conception, Kražiai (13.5 km), Church of St. George (9.4 km) and Church of the Holy Name of the Virgin Mary, Upyna (10.1 km). Among the natural features are Medvėgalis (13.8 km) and Pundžiai Oak (8.4 km).