Aneurin Bevan University Health Board, Cardiff and Vale University Health Board and Betsi Cadwaladr University Health Board
Bwrdd Iechyd Prifysgol Aneurin Bevan, Bwrdd Iechyd Prifysgol Caerdydd a'r Fro a Bwrdd Iechyd Prifysgol Betsi Cadwaladr