Question 1

Where is Shrine Entrance (Bus)?

Accepted Answer

Shrine Entrance (Bus) is in Hirosaki, Aomori, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Flying Witch does Shrine Entrance (Bus) appear in?

Accepted Answer

Shrine Entrance (Bus) appears in OP of Flying Witch.

Question 3

Can I visit Shrine Entrance (Bus)?

Accepted Answer

Yes. Shrine Entrance (Bus) is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Flying Witch filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Shrine Entrance (Bus) is one of those real places (OP).