Question 1

Where is Shimoigusa Children Hall?

Accepted Answer

Shimoigusa Children Hall is in Suginami, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Fate/stay night: Heaven's Feel does Shimoigusa Children Hall appear in?

Accepted Answer

Shimoigusa Children Hall appears in EP2 of Fate/stay night: Heaven's Feel.

Question 3

Can I visit Shimoigusa Children Hall?

Accepted Answer

Yes. Shimoigusa Children Hall is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Fate/stay night: Heaven's Feel filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Shimoigusa Children Hall is one of those real places (EP2).