Question 1

Where is Kenroku-en?

Accepted Answer

Kenroku-en is in Kanazawa, Ishikawa, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Lucky☆Star does Kenroku-en appear in?

Accepted Answer

Kenroku-en appears in EP22 of Lucky☆Star.

Question 3

Can I visit Kenroku-en?

Accepted Answer

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

Question 4

Where was Lucky☆Star filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Kenroku-en is one of those real places (EP22).