The dish that Bill Murray's character complains about saying who goes to a restaurant where you have to cook your own food is called Shabu Shabu. It is very thinly sliced raw meat along with various vegetables that the consumer dips in boiling broth.
The inspiration for having Bob Harris do a Suntory whisky commercial was partially inspired by the fact that Sofia Coppola's father, Francis Ford Coppola, made a real Suntory commercial with Akira Kurosawa in the 1970s.
When Charlotte listens to the "find yourself CD" she is looking at the front cover, which makes the back of the cover visible to the audience. When she turns the box around, the back cover that she's looking at is different than the one we just saw.
After Charlotte injures her toe there is a shot of her sitting in the window. You can clearly see both of her feet including the toe that was injured (and later proved to be so bad that she needed to go to the hospital) but all toes look normal.
Charlotte: I tried taking pictures, but they were so mediocre. I guess every girl goes through a photography phase. You know, horses... taking pictures of your feet.
After the subway scene in the beginning of the movie she goes to Jugan-ji Temple located in the Shinjuku district of Tokyo. When she travels to Kyoto in the Shinkansen bullet train and observes a traditional Japanese wedding, she is in Nanzenji Temple, and when she ties a white piece of paper on the tree, she is in Heian Shrine.
Q
What hotel was the film shot in, and in which room?
A
The movie was shot at the Park Hyatt Tokyo. Charlotte's room is a Diplomat Suite.