Police are appealing for public assistance to help locate missing Wheelers Hill man Zlatko.
The 77-year-old was last seen at his home on Chestnut Court around midday on Thursday 3 March.
He was light brown track pants and a white cotton t-shirt with a black print on the shoulder and brown Colorado sandals.
Zlatko is described as 170cm tall, medium build and white thinning hair.
Zlatko is believed to be travelling in a maroon 1994 Toyota Corolla sedan, registration FQB 541.
Police and family have concerns for his welfare as Zlatko has dementia and is not carrying his medication for a medical condition he has.
Police have released an image of Zlatko and a vehicle similar to the one he may be driving in the hope someone recognises him and can provide information on his whereabouts.
Anyone who sights Zlatko or has information on his whereabouts is urged to contact Glen Waverley Police Station on 9566 1555.