Question 1

Where is Yume Ringo Y.K. Head Office?

Accepted Answer

Yume Ringo Y.K. Head Office 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 Yume Ringo Y.K. Head Office appear in?

Accepted Answer

Yume Ringo Y.K. Head Office appears in EP5 of Flying Witch.

Question 3

Can I visit Yume Ringo Y.K. Head Office?

Accepted Answer

Yes. Yume Ringo Y.K. Head Office 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 Yume Ringo Y.K. Head Office is one of those real places (EP5).