Question 1

Where is Sweet Potato?

Accepted Answer

Sweet Potato is in Maebashi, 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 Sweet Potato appear in?

Accepted Answer

Sweet Potato appears in EP21 of Nichijou - My Ordinary Life.

Question 3

Can I visit Sweet Potato?

Accepted Answer

Yes. Sweet Potato 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 Sweet Potato is one of those real places (EP21).