Question 1

Where is Siii?

Accepted Answer

Siii is in Kanazawa, Ishikawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Hanasaku Iroha does Siii appear in?

Accepted Answer

Siii appears in EP2 of Hanasaku Iroha.

Question 3

Can I visit Siii?

Accepted Answer

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

Question 4

Where was Hanasaku Iroha filmed?

Accepted Answer

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