this is Phillip Island Circuit
The Australian motorcycle Grand Prix is a motorcycling event that is part of the GP racing season. From 1997 to the present day, it is run at the scenic Phillip Island GP circuit; south of Melbourne, Vic. The only rider to win the 'premier class' race at multiple venues is five-time World Champion Mick Doohand from Australia. He won five consecutive 500cc world championships; Giacomo Agostini with eight (seven consecutive) and Valentino Rossi with seven (five consecutive) have won more premier class titles.