Question 1

Where is Akihabara Radio Kaikan?

Accepted Answer

Akihabara Radio Kaikan 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 Steins;Gate does Akihabara Radio Kaikan appear in?

Accepted Answer

Akihabara Radio Kaikan appears in EP14 of Steins;Gate.

Question 3

Can I visit Akihabara Radio Kaikan?

Accepted Answer

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

Question 4

Where was Steins;Gate filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Akihabara Radio Kaikan is one of those real places (EP14).