An Garda Síochána thanked the public and media for their assistance after issuing an alert over her disappearance, but supplied no immediate details on the circumstances around her discovery.
Earlier, officers said at approximately 1.50pm they received a report of a hijacking of a vehicle, a Silver Nissan Qashqai Hatchback from Mountjoy Square, in Dublin 1.
A five month old baby was in the car at the time it was taken. The car was hijacked by a man who is not known to her or her family.
In its initial alert, gardaí said they “have serious concerns that there is an immediate and serious risk to the health or welfare” of the girl.
The alert was lifted a short while later once the girl had been located in the city centre.