Nera (Danube) of Romania and Serbia signed an agreement to solve the problem. In Romania: Prigor, Bozovici, Dalboșeț, Șopotu Nou, Sasca Montană, Naidăș, Socol In Serbia: Kusić, Bela Crkva, Vračev Gaj, Banatska Palanka, Stara Palanka The following are tributaries of the Nera: Left: Nerganița, Prigor, Rudăria, Bănia, Valea Mare, Șopotu, Bârzu, Boinița, Răchita, Haimeliug, Șușara, Micoș Right: Nergana, Coșava, Hielișag, Ciurezu, Miniș, Agriș, Lăpușnicu, Moceriș, Ducin, Bresnic, Valea Rea, Beu Nera (Danube) The Nera (, or Нера, ) is a river running through Romania and Serbia. It is a left tributary of the Danube, which it joins near Banatska Palanka. The Nera
Enns (town) Leopold V. Following the death of Ottokar IV in 1192, his Duchy of Styria — then significantly bigger than the contemporary state, reaching from present day Slovenia to Upper Austria — fell to the House of Babenberg. Thus, Enns became Austrian. As Leopold VI, Duke of Austria, endowed Enns with town privileges in 1212, it is now considered Austria's oldest town (apart from the Roman municipal status). The landmark of Enns, the belfry (Town Tower) on the Main Square, was erected between 1564 and 1568 as a bell tower, watch and clock tower during the reign of emperor Maximilian II.