Police and family members are concerned for the welfare of missing man Albert Smith after he left a medical facility in Ballan on Monday morning.
The 88-year-old left the Inglis Street facility about 7.30am and has not been seen or in touch with his family since his disappearance.
Police are appealing for public assistance with concerns due to Mr Smith’s age and physical health.
Investigators believe he may travel to Mount Doran or Ballarat.
Police released an image of Mr Smith in the hope someone recognises him and can provide information on his whereabouts.
Anyone with information is urged to contact Ballan Police Station on 5368 1303.