Nera (Danube) Serbian side there is only one village on the river itself, Kusić, with several settlements in the vicinity of the river: Kaluđerovo, the town of Bela Crkva, Vračev Gaj and Banatska Palanka. At Vračev Gaj the river turns south and empties into the Danube near the village of Stara Palanka. In the final section, the Nera is wide with varying depths, and as the riverbed is made mostly of gravel, it spills over in series of limans, filled with murky waters. The mouth itself is a popular fishing spot. The Nera drains an area of of the Black Sea drainage
Enns-class river monitor driving one shaft, using steam generated by two Yarrow boilers driving. The engines were rated at and were designed to reach a top speed of . They carried of fuel oil. The main armament of the "Enns"-class river monitors was a pair of /L45 guns in a single turret forward of the conning tower and three /L10 howitzers to the rear, in individual armored cupolas. They also mounted two individual /L50 BAG anti-aircraft guns, and six machine guns. The maximum range of her Škoda L/45 guns was . Her armour consisted of belt and bulkheads thick, deck armour thick, and