Question 1

Where is Shibata Castle Ruins?

Accepted Answer

Shibata Castle Ruins is in Shibata, Niigata, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of NIPPON SANGOKU does Shibata Castle Ruins appear in?

Accepted Answer

Shibata Castle Ruins appears in EP4 of NIPPON SANGOKU.

Question 3

Can I visit Shibata Castle Ruins?

Accepted Answer

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

Question 4

Where was NIPPON SANGOKU filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Shibata Castle Ruins is one of those real places (EP4).