Serbia in the Roman era
…towns of Upper Moesia in the Principate were: Naissus (modern Niš), Viminacium (sometimes called municipium Aelium; modern Kostolac), Singidunum (modern Belgrade), and Remesiana (modern Bela Palanka). At Singidunum, a Roman military camp and civilian settlement developed near the confluence of the Sava and Danube…