Map of Cisalpine Gaul showing the approximate distributions of celtic populations in the area during the 4th and 3rd centuries BC.
This file was derived from:

 Gallia Cisalpina-fr.svg: 
Gallia cisalpina.jpg: 
Italy topographic map-ancient Roman roads.svg:
Nancy Todd - Derived work from Gallia_Cisalpina-fr.svg by Sémhur