Populonia or Populonia Alta today is a frazione of the comune of Piombino. As of 2009 its population was 17. It is one of I Borghi più belli d'Italia. Populonia is especially noteworthy for its Etruscan remains, including one of the main necropolis in Italy, discovered by Isidoro Falchi.
Description via Wikipedia. Coordinates and heritage data from the Atika atlas.
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