Police are appealing for public assistance to help locate missing teenager Erin Norman.
The 17-year-old was last seen in Ashwood on 20 May.
Police have concerns for her welfare due to her age and Erin has a medical condition which requires medication.
Erin is about 165cm tall with a medium build and has shoulder length auburn-coloured hair.
She was last seen wearinga pink top, light blue jeggings, black runners and a dark coloured hand bag.
Police have released an image of Erin in the hope someone recognises her.
Erin is known to frequent the Box Hill Central, St Albans and Melton areas.
Anyone who sights Erin or who knows of her whereabouts is urged to contact Glen Waverly Police Station on 9566 1555.