The body of an elderly man who had been reported missing on Friday has been found in a park in Melbourne's west.

Luigi Di Sante was 86 and suffered from short-term memory loss.

He went missing around 12.40pm on Friday in St Albans, with police and family searching extensively in the local area.

The alarm was raised when a nurse went to to his house to check on his sick wife, Rosa, on Friday and noticed Mr Di Sante was missing from his home of 47 years.