Llanishen (Welsh Llanisien llan church + Isien Saint Isan ) is a district of the city of Cardiff, Wales.
Southwest Llanishen contains the Parc Ty Glas business park, home to the offices of S4C and the National Eisteddfod of Wales , as well as a recent branch of Marks and Spencer Simply Food. Also on the site are government buildings, mostly occupied by the Inland Revenue (including an enquiry centre, or IREC).
The area can be reached by rail via Ty Glas station on the estate, or Llanishen station at the eastern end of the area, and by bus along routes 27, 28, 29, 29B and 86.
