Šyša is a village in Šilutė District Municipality, in Klaipėda County, Lithuania. Šyša lies at 0 m above sea level. It has 34 inhabitants (2021). The nearest city is Klaipėda, 46 km to the northwest. Near the border: Russia, 3.6 km. Among the landmarks around are Uostadvaris Lighthouse (6.8 km), Evangelical Lutheran Church in Šilutė (5.1 km) and Cape Vente Lighthouse (13.0 km). Among the natural features are Oak of Hermanas Zudermanas (2.7 km) and Pagryniai oak (5.9 km).