Roman provinces in the Alps, c. 150AD. Map by Marco Zanoli (Wikipedia, CC3 license)

Roman provinces in the Alps, c. 150AD. Map by Marco Zanoli, Wikipedia, CC3 license

Roman provinces in the Alps, c. 150AD. Map by Marco Zanoli (Wikipedia, CC3 license)

Roman provinces in the Alps, c. 150AD. Map by Marco Zanoli, Wikipedia, CC3 license