Grey Area Coffeeshop is famous all over the world as the Original Home of Double Bubble Gum, Stonehedge, Wobbler, 4077, Yellow Cab and the Grey Mist Crystal – Trichromes. G.A. is also known for the great selection of Bongs that are there for your smoking pleasure! Visit coffeeshop Grey Area in Amsterdam. This high cultural trip is a must during your city trip or weekend break to Amsterdam.