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Look up Margum in Wiktionary, the free dictionary.
Margum may refer to the following ancient Roman places and jurisdictions in the Balkans:
- Margum Dubravica, a fortress and garrison in Roman province Moesia Superior, now at Orašje hamlet in Dubravica, Serbia, at the mouth of the Great Morava on the Danube
- Contra Margum , Roman fortress on the opposite bank of the Danube near Kovin