Spreča

The Spreča (Спреча) is a river of northeastern Bosnia and Herzegovina, a tributary of the Bosna. Its source is located in the village of Snagovo in Zvornik municipality, and it reaches the Bosna at the city of Doboj. A damming of the Spreča in the municipality of Lukavac forms Modrac Lake. The 138.8 km river also flows through the town of Gračanica.