Question 1

Where is Onnazaka?

Accepted Answer

Onnazaka is in Chiyoda, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Chainsaw Man – The Movie: Reze Arc does Onnazaka appear in?

Accepted Answer

Onnazaka is a real place that appears in Chainsaw Man – The Movie: Reze Arc.

Question 3

Can I visit Onnazaka?

Accepted Answer

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

Question 4

Where was Chainsaw Man – The Movie: Reze Arc filmed?

Accepted Answer

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