Question 1

Where is Sumiyoshi Shrine?

Accepted Answer

Sumiyoshi Shrine is in Naoshima, Kagawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Summer Pockets does Sumiyoshi Shrine appear in?

Accepted Answer

Sumiyoshi Shrine appears in EP26 of Summer Pockets.

Question 3

Can I visit Sumiyoshi Shrine?

Accepted Answer

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

Question 4

Where was Summer Pockets filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Sumiyoshi Shrine is one of those real places (EP26).