The Autopolis course is in Oita, near the border with Kumamoto. Here’s more information in English:
http://racingcircuits.info/asia/japan/autopolis.html#.WU_A3MaB2MI
I usually hear about events at this place after the fact, sorry to say, so I haven’t been able to give people notices in advance. If you’re interested in car racing, however, you might want to try to learn more about the facility.
– Kirk
