Filming Location Dates!

June 19th 2009 - Tokyo
This is when they shot the scene where Saito first hires Cobb during a helicopter flight over the city.
July 15th 2009 - London
This is when they shot the corridor scene within a converted airship hangar in the North of London, where they had to reconstruct the corridor at a 30 degree angle, in addition to this they built a long corridor. 

August - France (Paris Bistro)
This is when they shot the vital scene between Ariadne and Cobb in a Paris Bistro, where they had to create the explosion scene without using actually explosions. 

August - Tangiers & Mombassa
This is when they shot the scene when Cobb hired Yusuf and Eames, whilst there they shot a foot chase scene and an alleyway scene with in Grand Souk. 

October - Los Angeles
This is when they shot the scene for the Japanese styled castle in one of the very first scenes of the film. They used Warner Bros sound stage to build the sets. 
 
November - Alberta (Canada) 
This was the final location to piece together the film, this is when they shot the ski chase sequence to another pinical  point in the film. It took months to build the set and also they had to wait until a snow storm had passed their location.