Llanasa is a village and community in the county of Flintshire, north-east Wales. Llanasa is described as one of the ancient parishes of Flintshire. It originally comprised the townships of Gronant, Gwespyr, Kelston, Golden Grove, Picton, Trewaelod, Axtyn and Trelogan. The modern community also includes Ffynnongroyw and Glan yr afon.