Desperate search continues for baby missing for almost a week

The search continues for a one-year-old boy who has been missing for close to a week.

Harley Bullmore-Dainsley was last seen at Airport West which is 11 kilometres north-west of Melbourne on Sunday August 5.

Police released photos of the child's parents on Saturday and urged anyone with information about the child's whereabouts to contact officers.

It is believed the infant is with his parents Shane Dainsley, 46, and Laura Bullmore, 34.

Police have release images of Harley's parents in the hope that someone will recognise them.

The 46-year-old and the 34-year-old are known to go to Airport West and Balliang areas.

Police said they held grave concerns for Harley's safety.

Anyone who has seen Harley or his parents, or may have information on where they are, has been urged to contact Avondale Heights Police Station on 9337 6777.