Question 1

Where is Nagahama Castle Remains?

Accepted Answer

Nagahama Castle Remains is in Numazu, Shizuoka, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Love Live! Sunshine!! does Nagahama Castle Remains appear in?

Accepted Answer

Nagahama Castle Remains appears in EP6 of Love Live! Sunshine!!.

Question 3

Can I visit Nagahama Castle Remains?

Accepted Answer

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

Question 4

Where was Love Live! Sunshine!! filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Nagahama Castle Remains is one of those real places (EP6).