Le Havre, founded by King Francis I of France in 1517, is located inUpper Normandy on the north bank of the mouth of the River Seine, which isconsidered the most frequented waterway in the world. Its port is ranked thesecond largest in France. The city was originally built on marshland andmudflats that were drained in the 1500’s. During WWII most of Le Havre wasdestroyed by Allied bombing raids. Post war rebuilding of the city followed thedevelopment plans of the well-known Belgian architect Auguste Perre. Thereconstruction was so unique that the entire city was listed as a UNESCO WorldHeritage Site in 2005.