Police are appealing for public assistance to help locate missing girl Trixxie.
The 12-year-old was last seen at her Wandana Heights address last Saturday, 10 April.
She is described as 160cm tall, with a medium build and brown hair, and is known to frequent the Whittington area.
Police hold concerns for Trixxie due to her young age and the length of time she has been missing.
Investigators have released an image of Trixxie in the hope someone recognises her and can provide information on her current whereabouts.
Anyone who sees Trixxie is urged to contact Waurn Ponds Police Station on 5247 3500.