For the past few years, I have been going to Paris. When I went, I did see some LV, but not Chanel, Hermes, Dior or fakes. I found that to be very courious. It was explained to me that Parisians do not buy a lot of "well-known" desiners, but they do spend a lot of money on their clothes. They just buy in boutiques. The clothes there rival prices of designers in Saks, NM.... They don't buy the amount of clothes we do, but what they buy is very well made & costly.
FYI - if you do get to Paris, go to their "flee markets." The amount of vintage LV, Hermes, Chanel, Dior is mind boogling. The prices are outstanding! I've seen the smaller vintage purses in good condition go for less than $200US. You can also go to resale shops & get amazing deals.