Gardaí in Coolock are seeking the public's assistance in locating 15-year-old, Adam Darcy.
The teen was last seen in the Darndale area on Saturday, July 7 around 7 pm.
Adam is described as being 5' 8" in height, with brown hair and blue eyes.
Adam was last seen wearing a white t shirt, black shorts and white runners.
Gardaí are appealing to anyone who may have information on his whereabouts to contact Coolock Garda Station on (01) 666 4200, the Garda Confidential Line on 1800 666 111 or any Garda Station.