Police are appealing for public assistance to help locate missing 14-year-old Liam Jenkins.
Liam was last seen on 21 December in Ashwood.
Police have concerns for his welfare due to his age and the length of time he has been missing.
Nathan is 160cm tall, slim build with brown wavy hair and blue eyes.
He is known to frequent the Ashwood, Box Hill, Ashburton and Mooroolbark areas.
Police have released an image of Liam in the hope someone recognises him and can provide information regarding his current whereabouts.
Anyone with information about Liam is urged to contact Lilydale Police Station on 9739 2300