Helvetii From Wikipedia, the free encyclopedia Jump to navigationJump to search "Helvetians" redirects here. For other uses, see Helvetia (disambiguation). Map of the Roman province Maxima Sequanorum (c. 300 AD), which comprised the territories of a part of the Helvetii, Sequani and several smaller tribes. The relative locations of the Helvetian pagi Tigurini and Verbigeni, though indicated on t..