Gardaí in Waterford are appealing to the public for assistance in tracing the whereabouts of Liza Virginia Vidak.
The 15 year-old girl was reported missing in the City on Sunday, 27th November.
Liza is described as being approximately 5 foot 3 inches in height with an average build, brown eyes and black hair.
Anyone with any information on Liza's whereabouts are asked to contact Waterford Garda Station on 051 305300, the Garda Confidential Line on 1800 666 111, or any Garda Station.