Question 1

Where is Omiwa Jinja?

Accepted Answer

Omiwa Jinja is in Sakurai, Nara, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Chainsaw Man does Omiwa Jinja appear in?

Accepted Answer

Omiwa Jinja appears in EP9 of Chainsaw Man.

Question 3

Can I visit Omiwa Jinja?

Accepted Answer

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

Question 4

Where was Chainsaw Man filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Omiwa Jinja is one of those real places (EP9).