Bayside Sexual Offences and Child Abuse Investigation Team detectives have charged a man following a series of historical child sexual offences.

It is alleged the incidents took place at social gatherings between 2008 and 2011 in various locations in Chelsea, Edithvale, Sorrento and Mount Hotham.

The 47-year-old Wallan man was arrested in Wallan on September 15.

He has been charged with two counts of sexual penetration of a child under 16, one count of indecent act with a child under 16, sexual assault, two counts of indecent assault, nine counts of indecent act in the presence of a child under 16, and six counts of procuring a child under 16 for indecent act.

He has been remanded to appear in Melbourne Magistrates’ Court on December 9.