Police are appealing for public assistance to help locate missing Mount Martha man Laszlo Ivanka.
The 83-year-old was last seen leaving his home address in Mariner Court about 12.45pm today.
Police and family have concerns for his welfare as his disappearance is out of character.
Laszlo may be travelling in a grey 2001 Mercedes sedan with registration BAJ-531.
Investigators have released an image of Laszlo in the hope someone recognises him and can provide information regarding his current whereabouts.
Anyone with information about Ivan is urged to contact Mornington Police Station on 5970 4900.