The Nantuates or Nantuatae (Gaulish: Nantuatis, 'those of the valley') were a Gallic tribe dwelling around present-day Massongex, in the modern Canton of Valais (Switzerland) and adjacent areas of France, during the Iron Age and the Roman period.
Along with the Veragri, Seduni and Uberi, they were part of the Vallenses, a group of tribes living between Lake Geneva and the Pennine Alps.[1]