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Roman Ruins of Lousonna

Roman Ruins of Lousonna
Photo: Arnaud Gaillard (arnaud () amarys.com), CC BY-SA 2.0 (licence)

Lousonna (also Lousanna) is a Roman archaeological site in Switzerland. It preceded the present-day city of Lausanne. The Romans built a military camp on this spot, which they called Lousonna, at the site of a Celtic settlement near Lake Geneva.

From Wikipedia, CC BY-SA 4.0.

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Updated 30 Sept 2026. Something wrong? Tell us.