Question 1

Where is Kawaguchi Lilia?

Accepted Answer

Kawaguchi Lilia is in Kawaguchi, Saitama, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Your lie in April does Kawaguchi Lilia appear in?

Accepted Answer

Kawaguchi Lilia appears in EP18 of Your lie in April.

Question 3

Can I visit Kawaguchi Lilia?

Accepted Answer

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

Question 4

Where was Your lie in April filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Kawaguchi Lilia is one of those real places (EP18).