Police are appealing for public assistance to help locate missing 86-year-old woman, Boja Vujicic.
It is understood Boja left a Walpole Street, Kew address for her daily walk about 5pm on 21 January and failed to return.
Boja is of medium build, with a fair complexion and has long grey hair.
She was last seen wearing a dark coloured cardigan, blue tracksuit pants and slippers.
She was also carrying a water bottle in a plastic bag and her walking stick.
Police have significant concerns for Boja's safety and well-being due to the length of time she has been missing, and as she has medical conditions which can cause her to become disoriented.
Police have released an image of Boja in the hope that someone may have information on her current whereabouts.
Anyone with information about Boja is asked to contact the Boroondara Police Station on 03 8851 1111.
