Zasavica II  Zasavica II (), also known as Donja Zasavica (), is a village in the Sremska Mitrovica municipality, in the Vojvodina province of Serbia. The village has a Serb ethnic majority and its population numbering 608 people (2011 census). Although part of the Srem District, Zasavica II is situated in the region of Mačva south of the Sava river. With the adjacent village of Zasavica I (Gornja Zasavica), it still forms a single cadastral unit, although they are treated as separate villages for census purposes.