Three are the sites dating back thousands of years ago attesting first settlements on the peninsula:
Prehistoric Pile Dwellings around the Alps
A series of 111 archaeological sites identified within the European Alps. These settlements, dispersed throughout Switzerland, Austria, France, Germany, Italy and Slovenia, became a UNESCO World Heritage Site
in 2011. Of the 111 sites, 19 lie within Italy, located in five different regions: Lombardy (ten), Veneto
(four), Piedmont (two), Friuli Venezia Giulia
(one), and Trentino Alto Adige (two).