Police are appealing for public assistance to help locate missing Frankston man William.
The 74-year-old was last seen at a Torrbay Court address about 2am yesterday, 6 December.
William is believed to be on foot and may have headed to local beaches, parks or reserves.
Police and family hold concerns for William due to his age and his disappearance is out of character.
William is described as Caucasian, about 175cm tall, with a slim build, a bald head and walks with a limp.
He was last seen wearing a red jumper and dark grey pant and may be wearing reading glasses.
Police have released an image of William and urge anyone with information on his whereabouts to contact Frankston Police Station on 9784 5555.