Question 1

Where is Trader2?

Accepted Answer

Trader2 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 Load Region of Déjà Vu does Trader2 appear in?

Accepted Answer

Trader2 is a real place that appears in Steins;Gate Load Region of Déjà Vu.

Question 3

Can I visit Trader2?

Accepted Answer

Yes. Trader2 is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Steins;Gate Load Region of Déjà Vu filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Trader2 is one of those real places.