Question 1

Where is Yayoisoba Kado?

Accepted Answer

Yayoisoba Kado is in Takayama, Gifu Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Hyouka does Yayoisoba Kado appear in?

Accepted Answer

Yayoisoba Kado appears in EP1 of Hyouka.

Question 3

Can I visit Yayoisoba Kado?

Accepted Answer

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

Question 4

Where was Hyouka filmed?

Accepted Answer

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