If you are a fan of the Harry Potter films, there are many places in London that you should be familiar with. A small list of places worth visiting in this case:

• King’s Cross Station (Platform 9¾)
• St Pancras International
• Piccadilly Circus
• Reptile House, London Zoo
• Millennium Bridge
• Charing Cross Road
• Leadenhall Market (Diagon Alley, Leaky Cauldron)
• Australia House on Strand (Gringotts Wizarding Bank)
• Westminster Tube Station
• Lambeth Bridge

If you still happen to be a big, big fan of Potter, you can go to places related to him with a guide (two and a half hours of pleasure of recognition):
www.getyourguide.com/-t174648/?partner_id=6N2B5KS&cmp=LondonGemsHP

The Harry Potter Fan Shop is located at Kings Cross train station, in the new section at the back.

But if you want to get acquainted with Potter-related places already at home, watch this video: Julez about Potter

There is also a good video: HERE

If you want to see the Potter souvenir shop, look: HERE . Besides, you can see beautiful views from King's Cross station.