Question 1

Where is Iwaidacho Police Box?

Accepted Answer

Iwaidacho Police Box is in Chiyoda, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of GATE does Iwaidacho Police Box appear in?

Accepted Answer

Iwaidacho Police Box appears in EP1 of GATE.

Question 3

Can I visit Iwaidacho Police Box?

Accepted Answer

Yes. Iwaidacho Police Box is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was GATE filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Iwaidacho Police Box is one of those real places (EP1).