Castleknock () is an affluent suburb located westGeographic co-ordinates from GPO to Post Office in Castleknock: from 53.349501,-6.260287 to 53.373024,-6.362393 of the centre of Dublin city, Ireland. It is centered on the village of the same name in Fingal.Note: The name is commonly mistranslated as "Castle on the hill". Originally the village was named simply "Cnucha" after a woman of that name, likely a member of the Firbolg, was buried in a mound near the ruin of Castleknock Castle on the grounds of Castleknock College.
