Question 1

Where is Hotel Wakamatsu?

Accepted Answer

Hotel Wakamatsu is in Isesaki, Gunma, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Nichijou - My Ordinary Life does Hotel Wakamatsu appear in?

Accepted Answer

Hotel Wakamatsu appears in EP11 of Nichijou - My Ordinary Life.

Question 3

Can I visit Hotel Wakamatsu?

Accepted Answer

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

Question 4

Where was Nichijou - My Ordinary Life 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 Wakamatsu is one of those real places (EP11).