Roman Catholic Diocese of Passau Lorch, a Roman station and an important stronghold at the junction of the Enns River and the Danube, Christianity found a foothold in the third century, during a period of Roman domination, and a Bishop of Lorch certainly existed in the fourth. During the great migrations, Christianity on the Danube was completely rooted out, and the Celtic and Roman population was annihilated or enslaved. In the region between the Lech River and the Enns, the wandering Bajuvari were converted to Christianity in the seventh century, while the Avari, to the east, remained pagan. The ecclesiastical organization of Bavaria was brought
Nera (Danube) Mountains. In this section, the Nera receives its left tributary, the Rudăria, and passes next to many villages (Prilipeț, Dalboșeț, Moceriș), until it reaches Șopotu-Nou, where it sharply turns to the northwest, still curving around the Semenic mountains. It passes next to the villages of Sasca Română, Sasca Montana, Slatina Nera and Naidăș, at which point it becomes the border between Romania and Serbia for the remaining . In the border section, the Nera flows through the depression of Bela Crkva (Belocrkvanska kotlina; Cyrillic: Белоцркванска котлина), and settlements on the Romanian side include Lescovița, Zlatița and Socol, while on the