We passed by De Wallen when heading to Dam Square in Amsterdam.
De Wallen is a famous Red Light District in Amsterdam, capital city of Netherlands.
This Google shows the location of De Wallen in the central of Amsterdam.
De Wallen is located not far away from Dam Square and Free Adam Coffeeshop at Oude Hoogstraat.
There are a large number of sex toy shops selling a wide range of strange sex toys in the whole area of De Wallen.