Han’s demise and then fold it into the events of (2015) established a strange chronology where the fourth, fifth and sixth films take place (in story terms) before Tokyo Drift.

Source: https://theconversation.com/fast-x-review-proof-that-theres-method-in-the-madness-of-the-fast-and-furious-franchise-206790

Sung Kang first appeared in The Fast and the Furious: Tokyo Drift, where he played another talented racer named Han Lue.

Source: https://screenrant.com/fast-furious-actors-quit-franchise-why/

Tokyo Drift, as you can imagine, was set in Japan.

Source: https://www.joe.ie/movies-tv/fast-x-fast-11-ireland-774209