Police are appealing for public assistance to help locate missing 14-year-old Callum Casey.
Callum was last seen on Whitehorse Road, Balwyn on 11 November.
Police and family have concerns for his welfare due to his age.
He is described as 178cm tall with a thin build, brown curly hair and blue eyes wearing a black spray jacket, grey cargo pants and black runners.
Callum is known to frequent Box Hill, Camberwell and Hawthorn.
Anyone who sights Callum or has information on his whereabouts is asked to contact Camberwell Police Station on 9882 0688.