Question 1

Where is Isshintei?

Accepted Answer

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

Question 2

Which scene of Elfen Lied does Isshintei appear in?

Accepted Answer

Isshintei appears in EP2 of Elfen Lied.

Question 3

Can I visit Isshintei?

Accepted Answer

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

Question 4

Where was Elfen Lied filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Isshintei is one of those real places (EP2).