As you probably know, Vienna is popular for its sex bars and sex clubs. We also reviewed the worst sex bars in Vienna, and there are dozens of similar reviews on the Internet. There are a lot of persons who describe this city as being formidable and full of style. At first glance, Vienna is a quiet and peaceful city, but everything changes at night. There are a lot of escort agencies that advertise different services with the purpose to attract some clients. Although everything looks ok, you might face some problems.