1983–1997: The
Borough of Delyn, and the
Borough of Rhuddlan wards of Meliden, Prestatyn Central, Prestatyn East, Prestatyn North, and Prestatyn South West.
1997–2010: The
Borough of Delyn.
2010–2024: The
Flintshire electoral divisions of Argoed, Bagillt East, Bagillt West, Brynford, Caerwys, Cilcain, Ffynnongroyw, Flint Castle, Flint Coleshill, Flint Oakenholt, Flint Trelawney, Greenfield, Gronant, Gwernaffield, Gwernymynydd, Halkyn, Holywell Central, Holywell East, Holywell West, Leeswood, Mold Broncoed, Mold East, Mold South, Mold West, Mostyn, New Brighton, Northop, Northop Hall, Trelawnyd and Gwaenysgor, and Whitford. ==History==