Kilkeel

It had a population of 6,633 people at the 2021 census. The town contains the ruins of a 14th-century church and fort, winding streets and terraced shops. It lies just south of the Mourne Mountains, in the historic barony of Mourne, and is the southernmost town in Northern Ireland. Kilkeel town sits on a plain south of the Mourne Mountains, where the Kilkeel River flows south into the Irish Sea. It is in the barony of Mourne and the parish of Kilkeel. The town includes the townlands of: Altogether there are 69 townlands in the civil parish and barony. Kilkeel takes its name from the old church overlooking the town, it being the anglicised version of the Irish Cill Chaoil meaning "church of the narrow". The name may refer to the church itself or perhaps the church's location on a narrow site between the Aughrim and Kilkeel rivers.