Carlingford is a coastal town and civil parish in northern County Louth, Ireland. For the purposes of local government, the town is part of the Dundalk Municipal District. It is situated on the southern shore of Carlingford Lough with Slieve Foy mountain as a backdrop, sometimes known as Carlingford Mountain. It is the main town on the Cooley Peninsula. Located on the R176/R173 roads between Greenore and Omeath village, Carlingford is approximately 27 km (17 mi) north east from Dundalk, 90 km (56 mi) north of Dublin and 11 km (7 mi) south of the border with Northern Ireland. Carlingford won the Irish Tidy Towns Competition in 1988.

County Louth is a coastal county in the Eastern and Midland Region of Ireland, within the province of Leinster. Louth is bordered by the counties of Meath to the south, Monaghan to the west, Armagh to the north and Down to the north-east, across Carlingford Lough. It is the smallest county in Ireland by land area and the 17th most populous, with just over 139,100 residents as of 2022. The county is named after the village of Louth. Louth County Council is the local authority for the county.