Question 1

Where is Hotel Ukai?

Accepted Answer

Hotel Ukai is in Fuefuki, Yamanashi Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of mono does Hotel Ukai appear in?

Accepted Answer

Hotel Ukai appears in EP11 of mono.

Question 3

Can I visit Hotel Ukai?

Accepted Answer

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

Question 4

Where was mono filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Hotel Ukai is one of those real places (EP11).