Dandenong woman Sanja Gacic hasn’t been seen since July, and last spoke to her mother on 29 August.
Police are appealing for help to find the missing 31-year-old, who told family she was going to travel to Queensland.
Investigators cannot confirm if Sanja left Victoria, and are appealing to anyone who knows her whereabouts to call Dandenong police station on 9767 7444.