Police are appealing for public assistance to help locate missing man Tony Wang.
The 42-year-old was last seen at a medical facility in Werribee on Friday 23 October.
Police hold concerns for Tony due to a medical condition.
At the time, he was wearing a green jumper and denim jeans.
Tony is known to frequent the Richmond, Footscray, Braybrook, Maidstone and Brooklyn areas.
Police have released an image of Tony in the hope someone recognises him and can provide information regarding his current whereabouts.
Anyone who sees Tony or with information is urged to contact Werribee Police Station on 9742 9444.