Switzerland in the Roman era after which the area began to be occupied by Germanic peoples. The Swiss plateau, within the natural borders of the Alps to the South and East, Lake Geneva and the Rhône to the west and the Rhine to the north, was recognized as a contiguous territory by Julius Caesar. This area had been dominated by the La Tène culture since the 5th century BC, settled by a mostly Celtic population (Gauls), of which the Helvetii were the most numerous, but which also included the Rauraci in north-west Switzerland centered on Basel, and the Allobroges around Geneva. South of the Swiss
Goulburn River river rises below Corn Hill on the southwestern slopes of the Victorian Alps, south of near the town of in the Shire of Mansfield. The river flows generally north, then west, then north, then west passing through or adjacent to the regional cities and towns of , , , , Arcadia Downs, before reaching its confluence with the Murray River near Echuca. The Goulburn has 41 tributaries including the Black, Jamieson, Howqua, Delatite, Big, Rubicon, Acheron, Yea, and Broken rivers and the Seven Creeks. The river descends over its course. In addition to being the longest river in Victoria, the