Police are appealing for public assistance to help locate two missing teenagers Moeva Samau and Mele Peni.
Moeva is 15-years-old and described as 165cm tall with short straight hair and was wearing her school uniform.
Mele is 15-years-old and described as 170cm tall with short dark hair and was wearing a grey jumper and blue pants.
Both were last seen about 2.50pm on 18 September at Epping Railway Station.
Police and family have concerns for their welfare due to their age and believe they may be together.
Investigators have released an image of the girls in the hope that someone may have information on their current whereabouts.
Anyone who sees them is urged to contact Epping Police Station on 9409 8100.