The gardai have appealed for social media sharing of 17-yr-old Anastasia Iancova who is missing from her in home in Balgriffin, north Dublin.
She was last seen leaving her home at 5pm on Thursday 19 July.
She is described as 5ft 7″ in height, slim build with long brown hair. She has brown eyes and a piercing in her lower lip.
When she Anastasia was last seen, she was wearing ripped black jeans and a white top.
Anyone with any information is asked to contact Coolock Garda Station on 01-66-64-200, the Garda Confidential line on 1800 66-61-11 or any garda station.