Circuit Okayama International Circuit in Japan has hosted 2 Grands Prix between 1994 and 1995.
Okayama International Circuit (?????????), named TI Circuit Aida (TI???????) until December 31, 2004, is a 2.301-mile (3.7 km) private motorsport race track in Mimasaka, Okayama Prefecture, Japan. TI was the abbreviation of "Tanaka International" after the name of the golf club owner, Hajime Tanaka, though the name of the circuit was officially "TI Circuit Aida".
As well as hosting racing events, the circuit has rental facilities including bikes and go karts available.
source: Wikipedia
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