Question 1

Where is Maruka?

Accepted Answer

Maruka 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 Maebashi Witches does Maruka appear in?

Accepted Answer

Maruka appears in EP10 of Maebashi Witches.

Question 3

Can I visit Maruka?

Accepted Answer

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

Question 4

Where was Maebashi Witches filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Maruka is one of those real places (EP10).