Where was the Best of the Best film series filmed?

The Best of the Best film series has 2 titles (1989 to 1993), filmed at 1 place in 1 country. Wikipedia names 3 more. Every place links to its source.

The productions, in order

Every filming location they used

Each place appears once, even when several titles were filmed there.

Named in Wikipedia's own articles

Places named only in the titles’ Wikipedia articles.