According to the AFP news agency, the Irishman was arrested following the incident.
The prosecutor's office wrote in a statement: 'Following a complaint filed on September 10 denouncing acts that could be described as attempted sexual assault and sexual exhibition, Mr. Conor Anthony McGregor was the subject of a hearing by the police.'
No other details have been given on the charges against him at present.
A representative for McGregor has told TMZ: 'Conor McGregor vigorously denies any accusations of misconduct.
'He has been interviewed and released.'
McGregor was recently pictured attending a lavish event in the region, on the port of Calvi, alongside his fiancee Dee Devlin on Friday night.
