Question 1

Where is Odawara Castle?

Accepted Answer

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

Question 2

Which scene of NIPPON SANGOKU does Odawara Castle appear in?

Accepted Answer

Odawara Castle appears in EP12 of NIPPON SANGOKU.

Question 3

Can I visit Odawara Castle?

Accepted Answer

Yes. Odawara Castle 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 Odawara Castle is one of those real places (EP12).