10 Most Dangerous Cities in Europe 182545 2Nantes, France Nantes comes in ninth, with a Crime Index of 58.5. While lower than many on this list, this index is still in the “moderate to high” bracket. Crimes like theft, vandalism, and non-violent property crime seem to drive local perceptions.BackNext RELATED ARTICLESMORE FROM AUTHOR Blog (Articles) Greece in 4 Days: A Perfect Itinerary from Ancient Wonders to Island Dreams Blog (Articles) Santorini in 4 Days: The Ultimate Travel Itinerary Blog (Articles) 10 Island Cities That Don’t Look Real Blog (Articles) 10 Places to Visit in Greece for Unforgettable Memories Blog (Articles) 7 Beautiful Islands to Visit Near Santorini Blog (Articles) Top 10 Travel Tips for First-Time Visitors to the Ionian Islands