MARSO´NIA(Μαρσονία), or MARSO´NIUM ( Tab. Peat. ), a place in Upper Pannonia, south of the river Savus, on the road between Siscia and Servitium; is identified by some with the town of Issenoviz, at the mouth of the Unnainto the Save. (Ptol. 2.16.7; Geogr. Rav. 4.19.)
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