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Mourne was one of the three district electoral areas in Strabane, Northern Ireland which existed from 1985 to 2014. The district elected five members to Strabane District Council until 1993, and six members until 2014, and formed part of the West Tyrone constituencies for the Northern Ireland Assembly and UK Parliament.
It was created for the 1985 local elections, replacing Strabane Area C and part of Strabane Area A, and originally contained the wards of East, North, Sion Mills, South and West. For the 1993 local elections, it gained an additional ward, Ballycolman. It was abolished for the 2014 local elections and replaced with the Sperrin DEA, with Sion Mills moving to the Derg DEA.