Port-sur-Saône () is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté in eastern France.
It was probably the Roman Portus Abucini.Dictionary of Greek and Roman Geography (1854):Portus Abucini
Population
Twin towns Port-sur-Saône is twinned with: Brest, Belarus Cahul, Moldova Man, Ivory Coast Kursenai, Lithuania There are also friendship within the town: Grodzisk Mazowiecki, Poland Lezhë, Albania
See also Communes of the Haute-Saône department
References