Ballincollig is a suburban town within the administrative area of Cork city in Ireland. It is located on the western side of Cork city, beside the River Lee on the R608 regional road. In 2016 it was the largest town in County Cork, at which time the Ballincollig Electoral Division had a population of 18,621 people. The nearest towns include Ballinora, Carrigrohane, Kilnaglory, Ovens, Killumney, Inniscarra, Blarney, and Tower. It is located beyond the green belt from the suburbs of Bishopstown and Wilton.