Question 1

Where is White Hills?

Accepted Answer

White Hills is in Matsudo, Chiba, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Blue Orchestra does White Hills appear in?

Accepted Answer

White Hills appears in EP2 of Blue Orchestra.

Question 3

Can I visit White Hills?

Accepted Answer

Yes. White Hills is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Blue Orchestra filmed?

Accepted Answer

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