Police are appealing for public assistance to help locate missing Keilor Park teenager Maggie Howse.
The 15-year-old was last seen in Melton on 29 May about 10.15pm.
Police are concerned for her welfare due to her age and length of time she has been missing.
Maggie is described as 160cm tall with a thin build, green eyes and long straight brown hair.
She was last seen wearing a black jumper, black jeans and black and white runners, and was carrying pink bag.
Police have released an image of Maggie in the hope someone recognises her and can provide information regarding her current whereabouts.
She is known to frequent the Melton, Wyndham Vale, Werribee and Hoppers Crossing areas.
Anyone with information about Maggie is urged to contact Melton Police Station on 9747 7999.