Police are appealing for public help to find teenager Thomas Sperl.
The 15-year-old Wandin North boy was last seen in the Yarra Ranges area on 16 June.
Thomas is known to frequent the eastern suburbs.
Police and family have concerns for his welfare due to his age and the length of time he has been missing.
Police released an image of Thomas in the hope that someone has information on his whereabouts.
Anyone who sees Thomas should call Lilydale Police Station on 9739 2300.
