To get from place to place, or even just look at certain shops from the outside one needs to use the streets. Basically its anywhere that isn't anywhere in particular in the Alley.

A small area in London that sees wizards going in and out all the time. The muggles don't even acknowledge where it is - and then inside a world of magic appears. Whether one needs a drink, a meal, or a room, the Leaky Cauldron can supply.

From Ollivander's to Flourish and Blott's, here is where you can find all sorts of school supplies, clothes, pets and plenty of other services needed in the daily life of a wizard.
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If a player wishes to have a board for any specific shop, just send an image and description to a staff member to help create the specified shop.

The shadiest part of Diagon Alley where the black market and dark magic can be found.