Gardiner Street (Irish: Sráid Ghairdinéir) is a long Georgian street in Dublin, Ireland. It stretches from the River Liffey at its southern end via Mountjoy Square to Dorset Street at its northern end. The Custom House terminates the vista at the southern end, and the street is divided into Gardiner Street Upper (north end), Gardiner Street Middle and Gardiner Street Lower (south end).