10 Most Dangerous Cities in Europe 157643 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) 5 Best Boat Trips from Paros for Island Hopping and Swimming Blog (Articles) Top 7 Day Trips from Paros You’ll Love Blog (Articles) Best Traditional Villages in Paros for a Slower Pace Blog (Articles) Best Cycladic Islands for a One-Week Itinerary Blog (Articles) Top 7 Cultural Sites in the Cycladic Islands Explained Blog (Articles) Top 10 Most Beautiful Cycladic Islands to Visit