Geography of Vukovar-Srijem County

thumb|Cvelferija Cvelferija is a geographic region in Croatian part of Syrmia, in eastern Croatia. Villages in the region are Gunja, Vrbanja, Soljani, Strošinci, Đurići, Račinovci, Rajevo Selo, Posavski Podgajci and Drenovci, which are better known as “the heart of Cvelferija“.