Australian woman 'gang raped by five men' in Paris just days before the Olympics

An Australian woman has reportedly been gang raped in Paris just days before the Olympic ceremony is due to commence.

According to French media, the 25-year-old told police she had been sexually assaulted by five men and sought refuge inside a kebab shop just metres from the Moulin Rouge about 5am on Saturday night.

She was found with her dress 'backwards' and partly torn off.

The kebab shop owners immediately called for help and she was taken to Bichat hospital.

The woman told investigators of her horrific ordeal, however, she was reportedly unable to give details on the exact place or circumstances surrounding the attack.

Paris Prosecutor's Office announced an investigation into the incident was underway.

'The investigation into the charge of gang rape likely to have been committed on the night of July 19 to 20 has been entrusted to the second judicial police district,' Paris Prosecutor's office said.

The young woman was initially due to return to Australia at the weekend.

Alliance Paris Police Union said investigators will 'do everything to quickly identify the individuals and bring them to justice'.