Police are appealing for public assistance to locate missing Wantirna South woman Jessica.
The 26-year-old was last seen on Newman Road, Wantirna South in January this year.
Police and family have concerns for Jessica's welfare due to a medical condition.
Jessica is Caucasian, approximately 170cm tall, with a thin build and long brown hair.
She may be wearing a black/purple jumper, carrying a black square backpack and wearing Blundstone boots or Birkenstock sandals.
She is known to frequent the Ringwood and Preston areas.
Jessica may be using public transport and staying in backpacker accommodation.
Police have released an image of Jessica in the hope that someone can provide information on her current whereabouts.
Anyone who sights Jessica is urged to contact Frankston Police Station on (03) 9784 5555.