Police are appealing for public assistance to help locate missing Norlane man Ivan Skorjanec.
The 83-year-old is believed to have left his Dunloe Avenue home about 2.30pm today (10 June) on a red mountain bike.
It is usual for Ivan to ride his bike, however he normally returns after a short time.
Police and family members hold concerns for his welfare due to his age, and also as he has severe dementia.
An image of Ivan has been released in the hope someone recognises him and can provide information on his whereabouts.
He is described as having grey hair and was wearing a green cap, blue shirt, blue/black jumper, black pants and black shoes.
Anyone who sees Ivan or has information on his whereabouts is urged to contact Corio Police Station 5273 9555.