18. Brussels (Belgium)
Total score: 23
It seems that in this country and its capital cheating isn’t a taboo anymore, and extramarital dating sites like Gleeden with more than 1.1 million members are apparently there to stay. So, if you were wondering where do cheaters meet, there’s one answer. Also, Brussels is rich with options for those who are into some sex-cruising action.

Pixabay/Public Domain