Sasnava is a town in MarijampolàCounty, in southwestern Lithuania. At the 2011 census, it had a population of 546. It is on the confluence of the River and its tributary, the à  eà ¡upÃÂ.
The name of the town comes from the river name SasnÃÂ . The coat of arms of Sasnava was created according to this version. Another version claims that the Sasna stream comes from the Lithuanian word "susna" - which means decayed, withered.