Portieux is a commune in the Vosges department in Grand Est in northeastern France. Inhabitants are called Portessiens. The tradition…Portieux is a commune in the Vosges department in Grand Est in northeastern France. Inhabitants are called Portessiens. The traditional village of Portieux sits on the right bank of the Moselle 4 kilometres upstream from Charmes and across the river from Vincey. About 4 kilometres inland, to the east, is a substantial glass works.