Obedska Bara is located in the southeastern region of Srem between villages Kupinovo, Obrez, Grabovci and the Sava river, just 40 km western of Belgrade.
Obedska bara is one of the richest and best preserved habitats of wildlife in the Pannonian Basin. Obedska bara is famous for many species and diversity of ecosystems.
Here is the habitat of over 30 aquatic, wetland, forest and meadow plant communities. It is registered 180 species of fungi, 50 species of moss, 500 species of higher plants, 200 species of zooplankton, 222 species of birds, 50 species of mammals, 13 species of amphibians, 11 species of reptiles and 16 species of fish.
In the late 19th and early 20th century in the colonies of herons and cormorants nested over 15,000 pairs, the highest number ever recorded in the history of Serbia. Today colony of seven species of herons and cormorants does not exceed 600 pairs.
In the area of the Obedska bara reserve there is the church of the Mother Angeline and the old town Kupinik.