And we have a winner in Noricum, it is indeed the temple of Augustus and Livia in Vienne, Rhone Valley, France (a bit to the south of Lyon), a city whose homophony with the french name of the Austrian capital Vienna might well have led our friend Melvadius on a wrong track...
Edit : to load a picture go to full post edition mode, under the writing section you'll find an "attachements" section : you select your file, you click on "attach file", you tick the "add file to post" box on the next screen, confirm everything and are all set !