Police are appealing for public assistance to help locate missing 13-year-old Cranbourne East boy Junior (Jay) Talaifaga.
Jay was last seen at his home address about 10pm on 10 December.
Police and family have concerns for his welfare due to his age and a medical condition.
He was last seen wearing navy blue shorts, a red t-shirt, black and green jumper, and is possibly riding a white bicycle.
Jay is known to frequent the Cranbourne East and Cranbourne North areas and travels on his bicycle.
Police have released an image of Jay in the hope someone recognises him.
Anyone who sights Jay or has information on his whereabouts is asked to contact Cranbourne Police Station on 5991 0600.