Postumia may refer to:
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Postumia gens
The gens Postumia was a noble patrician family at ancient Rome. Throughout the history of the Republic, the Postumii frequently occupied the chief magistracies of the Roman state, beginning with Publius Postumius Tubertus, consul in 505 BC, the ...
, an ancient Roman family
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Postojna
Postojna (; german: Adelsberg, it, Postumia) is a town in the traditional region of Inner Carniola, from Trieste, in southwestern Slovenia. It is the seat of the Municipality of Postojna. , Slovenia - ''Postumia'' in Italian
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Via Postumia
The Via Postumia was an ancient Roman road of northern Italy constructed in 148 BC by the ''consul'' Spurius Postumius Albinus Magnus.
It ran from the coast at Genua through the mountains to Dertona, Placentia (the termination of the Via Aemil ...
, Roman road
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