A woman last seen on the weekend at her Balliang home could be in Lara or Geelong.
Police believe Alivia may be in her red Dodge Journey with the registration 1EH 3QE.
She went missing around midnight Sunday, but it is not known what she was wearing at the time.
There are concerns for her welfare, with officers saying her disappearance is out of character.
Anyone with information is being urged to call Corio Police Station on 52739 555.
Picture: Alivia has been missing since the weekend [supplied]